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CVE-2015-3456
Vulnerability from cvelistv5
Published
2015-05-13 18:00
Modified
2024-08-06 05:47
Severity ?
EPSS score ?
Summary
The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.
References
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.crowdstrike.com/\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.debian.org/security/2015/dsa-3259\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.debian.org/security/2015/dsa-3262\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.debian.org/security/2015/dsa-3274\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.fortiguard.com/advisory/2015-05-19-cve-2015-3456-venom-vulnerability\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/74640\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id/1032306\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id/1032311\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id/1032917\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2608-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-438937.htm\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://xenbits.xen.org/xsa/advisory-133.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://access.redhat.com/articles/1444903\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://bto.bluecoat.com/security-advisory/sa95\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://kb.juniper.net/JSA10783\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10118\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/201602-01\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/201604-03\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/201612-27\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.lenovo.com/us/en/product_security/venom\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.arista.com/en/support/advisories-notices/security-advisories/1128-security-advisory-10\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.exploit-db.com/exploits/37053/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.suse.com/security/cve/CVE-2015-3456.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=e907746266721f305d67bc0718795fedee2e824c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10693\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158072.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00009.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00013.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00014.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00019.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2015-08/msg00021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://marc.info/?l=bugtraq\u0026m=143229451215900\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://marc.info/?l=bugtraq\u0026m=143229451215900\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://marc.info/?l=bugtraq\u0026m=143387998230996\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-0998.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-0999.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-1000.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-1001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-1002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\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the VENOM vulnerability is also agnostic of the guest operating system, an attacker (or an attacker\u2019s malware) would need to have administrative or root privileges in the guest operating system in order to exploit VENOM\"}}"
}
}
rhsa-2015_1031
Vulnerability from csaf_redhat
Published
2015-05-27 11:46
Modified
2024-11-14 15:27
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
Updated qemu-kvm packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.5 Extended Update Support.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All qemu-kvm users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing this
update, shut down all running virtual machines. Once all virtual machines
have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
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"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
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},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm packages that fix one security issue are now available for\nRed Hat Enterprise Linux 6.5 Extended Update Support.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm package provides the\nuser-space component for running virtual machines using KVM.\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual\nFloppy Disk Controller (FDC) handled FIFO buffer access while processing\ncertain FDC commands. A privileged guest user could use this flaw to crash\nthe guest or, potentially, execute arbitrary code on the host with the\nprivileges of the host\u0027s QEMU process corresponding to the guest.\n(CVE-2015-3456)\n\nRed Hat would like to thank Jason Geffner of CrowdStrike for reporting\nthis issue.\n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain a backported patch to correct this issue. After installing this\nupdate, shut down all running virtual machines. Once all virtual machines\nhave shut down, start them again for this update to take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
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"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
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{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2015:1031",
"url": "https://access.redhat.com/errata/RHSA-2015:1031"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#important",
"url": "https://access.redhat.com/security/updates/classification/#important"
},
{
"category": "external",
"summary": "1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_1031.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm security update",
"tracking": {
"current_release_date": "2024-11-14T15:27:36+00:00",
"generator": {
"date": "2024-11-14T15:27:36+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.0"
}
},
"id": "RHSA-2015:1031",
"initial_release_date": "2015-05-27T11:46:22+00:00",
"revision_history": [
{
"date": "2015-05-27T11:46:22+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2015-05-27T11:46:22+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-14T15:27:36+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux HPC Node EUS (v. 6.5)",
"product": {
"name": "Red Hat Enterprise Linux HPC Node EUS (v. 6.5)",
"product_id": "6ComputeNode-6.5.EUS",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:rhel_eus:6.5::computenode"
}
}
},
{
"category": "product_name",
"name": "Red Hat Enterprise Linux Server EUS (v. 6.5)",
"product": {
"name": "Red Hat Enterprise Linux Server EUS (v. 6.5)",
"product_id": "6Server-6.5.EUS",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:rhel_eus:6.5::server"
}
}
}
],
"category": "product_family",
"name": "Red Hat Enterprise Linux"
},
{
"branches": [
{
"category": "product_version",
"name": "qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6_5.15.x86_64",
"product": {
"name": "qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6_5.15.x86_64",
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},
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_0999
Vulnerability from csaf_redhat
Published
2015-05-13 13:36
Modified
2024-11-14 15:26
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
Updated qemu-kvm packages that fix one security issue are now available for
Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All qemu-kvm users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing this
update, shut down all running virtual machines. Once all virtual machines
have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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{
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"names": [
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"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
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"ids": [
{
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"text": "1218611"
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{
"category": "description",
"text": "An out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host\u0027s QEMU process corresponding to the guest.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: fdc: out-of-bounds fifo buffer memory access",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5, the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7, and the versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Future updates for the respective releases will address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2015-3456"
},
{
"category": "external",
"summary": "RHBZ#1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2015-3456",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-3456"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456"
},
{
"category": "external",
"summary": "http://venom.crowdstrike.com/",
"url": "http://venom.crowdstrike.com/"
},
{
"category": "external",
"summary": "http://xenbits.xen.org/xsa/advisory-133.html",
"url": "http://xenbits.xen.org/xsa/advisory-133.html"
},
{
"category": "external",
"summary": "https://access.redhat.com/articles/1444903",
"url": "https://access.redhat.com/articles/1444903"
},
{
"category": "external",
"summary": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/",
"url": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/"
}
],
"release_date": "2015-05-13T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2015-05-13T13:36:20+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"url": "https://access.redhat.com/errata/RHSA-2015:0999"
}
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{
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"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.5,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
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"threats": [
{
"category": "impact",
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],
"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_1002
Vulnerability from csaf_redhat
Published
2015-05-13 11:22
Modified
2024-11-14 15:26
Summary
Red Hat Security Advisory: xen security update
Notes
Topic
Updated xen packages that fix one security issue are now available for Red
Hat Enterprise Linux 5.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
The xen packages contain administration tools and the xend service for
managing the kernel-xen kernel for virtualization on Red Hat Enterprise
Linux.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All xen users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
updated packages, all running fully-virtualized guests must be restarted
for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Jason Geffner"
],
"organization": "CrowdStrike"
}
],
"cve": "CVE-2015-3456",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2015-05-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1218611"
}
],
"notes": [
{
"category": "description",
"text": "An out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host\u0027s QEMU process corresponding to the guest.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: fdc: out-of-bounds fifo buffer memory access",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5, the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7, and the versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Future updates for the respective releases will address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2015-3456"
},
{
"category": "external",
"summary": "RHBZ#1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2015-3456",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-3456"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456"
},
{
"category": "external",
"summary": "http://venom.crowdstrike.com/",
"url": "http://venom.crowdstrike.com/"
},
{
"category": "external",
"summary": "http://xenbits.xen.org/xsa/advisory-133.html",
"url": "http://xenbits.xen.org/xsa/advisory-133.html"
},
{
"category": "external",
"summary": "https://access.redhat.com/articles/1444903",
"url": "https://access.redhat.com/articles/1444903"
},
{
"category": "external",
"summary": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/",
"url": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/"
}
],
"release_date": "2015-05-13T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2015-05-13T11:22:45+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_1003
Vulnerability from csaf_redhat
Published
2015-05-13 11:22
Modified
2024-11-14 15:27
Summary
Red Hat Security Advisory: kvm security update
Notes
Topic
Updated kvm packages that fix one security issue are now available for Red
Hat Enterprise Linux 5.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All kvm users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. Note: The procedure in
the Solution section must be performed before this update will take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated kvm packages that fix one security issue are now available for Red\nHat Enterprise Linux 5.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems.\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual\nFloppy Disk Controller (FDC) handled FIFO buffer access while processing\ncertain FDC commands. A privileged guest user could use this flaw to crash\nthe guest or, potentially, execute arbitrary code on the host with the\nprivileges of the host\u0027s QEMU process corresponding to the guest.\n(CVE-2015-3456)\n\nRed Hat would like to thank Jason Geffner of CrowdStrike for reporting\nthis issue.\n\nAll kvm users are advised to upgrade to these updated packages, which\ncontain a backported patch to correct this issue. Note: The procedure in\nthe Solution section must be performed before this update will take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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},
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"title": "Vulnerability description"
},
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"title": "Vulnerability summary"
},
{
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"title": "Statement"
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{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_1000
Vulnerability from csaf_redhat
Published
2015-05-13 11:24
Modified
2024-11-14 15:26
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix one security issue are now
available for Red Hat Enterprise Virtualization Hypervisor 7.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All qemu-kvm-rhev users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. After installing
this update, shut down all running virtual machines. Once all virtual
machines have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
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"ids": [
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}
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"notes": [
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"text": "An out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host\u0027s QEMU process corresponding to the guest.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: fdc: out-of-bounds fifo buffer memory access",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5, the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7, and the versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Future updates for the respective releases will address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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{
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"date": "2015-05-13T11:24:42+00:00",
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"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_1011
Vulnerability from csaf_redhat
Published
2015-05-15 19:38
Modified
2024-11-14 15:27
Summary
Red Hat Security Advisory: rhev-hypervisor security update
Notes
Topic
Updated rhev-hypervisor packages that fix one security issue are now
available.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
The rhev-hypervisor packages provide a Red Hat Enterprise Virtualization
Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor
is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes
everything necessary to run and manage virtual machines: a subset of the
Red Hat Enterprise Linux operating environment and the Red Hat Enterprise
Virtualization Agent.
Note: Red Hat Enterprise Virtualization Hypervisor is only available for
the Intel 64 and AMD64 architectures with virtualization extensions.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
Users of the Red Hat Enterprise Virtualization Hypervisor are advised to
upgrade to this updated package.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"title": "Topic"
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"text": "The rhev-hypervisor packages provide a Red Hat Enterprise Virtualization\nHypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor\nis a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes\neverything necessary to run and manage virtual machines: a subset of the\nRed Hat Enterprise Linux operating environment and the Red Hat Enterprise\nVirtualization Agent.\n\nNote: Red Hat Enterprise Virtualization Hypervisor is only available for\nthe Intel 64 and AMD64 architectures with virtualization extensions.\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual\nFloppy Disk Controller (FDC) handled FIFO buffer access while processing\ncertain FDC commands. A privileged guest user could use this flaw to crash\nthe guest or, potentially, execute arbitrary code on the host with the\nprivileges of the host\u0027s QEMU process corresponding to the guest.\n(CVE-2015-3456)\n\nRed Hat would like to thank Jason Geffner of CrowdStrike for reporting\nthis issue.\n\nUsers of the Red Hat Enterprise Virtualization Hypervisor are advised to\nupgrade to this updated package.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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"title": "Red Hat Security Advisory: rhev-hypervisor security update",
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"vulnerabilities": [
{
"acknowledgments": [
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"names": [
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],
"organization": "CrowdStrike"
}
],
"cve": "CVE-2015-3456",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2015-05-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1218611"
}
],
"notes": [
{
"category": "description",
"text": "An out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host\u0027s QEMU process corresponding to the guest.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: fdc: out-of-bounds fifo buffer memory access",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5, the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7, and the versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Future updates for the respective releases will address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.6-20150512.0.el6ev.noarch",
"7Server-RHEV-Hypervisor-7:rhev-hypervisor7-0:7.1-20150512.1.el7ev.noarch",
"7Server-RHEV-Hypervisor-7:rhev-hypervisor7-0:7.1-20150512.1.el7ev.src"
]
},
"references": [
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2015-3456"
},
{
"category": "external",
"summary": "RHBZ#1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2015-3456",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-3456"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456"
},
{
"category": "external",
"summary": "http://venom.crowdstrike.com/",
"url": "http://venom.crowdstrike.com/"
},
{
"category": "external",
"summary": "http://xenbits.xen.org/xsa/advisory-133.html",
"url": "http://xenbits.xen.org/xsa/advisory-133.html"
},
{
"category": "external",
"summary": "https://access.redhat.com/articles/1444903",
"url": "https://access.redhat.com/articles/1444903"
},
{
"category": "external",
"summary": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/",
"url": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/"
}
],
"release_date": "2015-05-13T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2015-05-15T19:38:54+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.6-20150512.0.el6ev.noarch",
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"7Server-RHEV-Hypervisor-7:rhev-hypervisor7-0:7.1-20150512.1.el7ev.src"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2015:1011"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.5,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:A/AC:H/Au:S/C:C/I:C/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.6-20150512.0.el6ev.noarch",
"7Server-RHEV-Hypervisor-7:rhev-hypervisor7-0:7.1-20150512.1.el7ev.noarch",
"7Server-RHEV-Hypervisor-7:rhev-hypervisor7-0:7.1-20150512.1.el7ev.src"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_1001
Vulnerability from csaf_redhat
Published
2015-05-13 11:24
Modified
2024-11-14 15:26
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix one security issue are now
available for Red Hat Enterprise Virtualization 3.5.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All qemu-kvm-rhev users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. After installing
this update, shut down all running virtual machines. Once all virtual
machines have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"title": "Topic"
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM.\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual\nFloppy Disk Controller (FDC) handled FIFO buffer access while processing\ncertain FDC commands. A privileged guest user could use this flaw to crash\nthe guest or, potentially, execute arbitrary code on the host with the\nprivileges of the host\u0027s QEMU process corresponding to the guest.\n(CVE-2015-3456)\n\nRed Hat would like to thank Jason Geffner of CrowdStrike for reporting\nthis issue.\n\nAll qemu-kvm-rhev users are advised to upgrade to these updated packages,\nwhich contain a backported patch to correct this issue. After installing\nthis update, shut down all running virtual machines. Once all virtual\nmachines have shut down, start them again for this update to take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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},
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"url": "https://access.redhat.com/security/updates/classification/#important"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_1001.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
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"number": "2",
"summary": "Last updated version"
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"number": "3",
"summary": "Last generated version"
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}
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"product_id": "6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64"
},
"product_reference": "qemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64",
"relates_to_product_reference": "6Server-RHEV-Agents"
},
{
"category": "default_component_of",
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"product_id": "6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.src"
},
"product_reference": "qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.src",
"relates_to_product_reference": "6Server-RHEV-Agents"
},
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"product_id": "6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64"
},
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"relates_to_product_reference": "6Server-RHEV-Agents"
},
{
"category": "default_component_of",
"full_product_name": {
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"product_id": "6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.448.el6_6.3.x86_64"
},
"product_reference": "qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.448.el6_6.3.x86_64",
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},
{
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},
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"relates_to_product_reference": "6Server-RHEV-Agents"
}
]
},
"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Jason Geffner"
],
"organization": "CrowdStrike"
}
],
"cve": "CVE-2015-3456",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2015-05-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1218611"
}
],
"notes": [
{
"category": "description",
"text": "An out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host\u0027s QEMU process corresponding to the guest.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: fdc: out-of-bounds fifo buffer memory access",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5, the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7, and the versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Future updates for the respective releases will address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.src",
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2015-3456"
},
{
"category": "external",
"summary": "RHBZ#1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2015-3456",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-3456"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456"
},
{
"category": "external",
"summary": "http://venom.crowdstrike.com/",
"url": "http://venom.crowdstrike.com/"
},
{
"category": "external",
"summary": "http://xenbits.xen.org/xsa/advisory-133.html",
"url": "http://xenbits.xen.org/xsa/advisory-133.html"
},
{
"category": "external",
"summary": "https://access.redhat.com/articles/1444903",
"url": "https://access.redhat.com/articles/1444903"
},
{
"category": "external",
"summary": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/",
"url": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/"
}
],
"release_date": "2015-05-13T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2015-05-13T11:24:17+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64",
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"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.448.el6_6.3.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2015:1001"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.5,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:A/AC:H/Au:S/C:C/I:C/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.448.el6_6.3.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.448.el6_6.3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_0998
Vulnerability from csaf_redhat
Published
2015-05-13 10:55
Modified
2024-11-14 15:26
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
Updated qemu-kvm packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All qemu-kvm users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing this
update, shut down all running virtual machines. Once all virtual machines
have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
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"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm packages that fix one security issue are now available for\nRed Hat Enterprise Linux 6.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm package provides the\nuser-space component for running virtual machines using KVM.\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual\nFloppy Disk Controller (FDC) handled FIFO buffer access while processing\ncertain FDC commands. A privileged guest user could use this flaw to crash\nthe guest or, potentially, execute arbitrary code on the host with the\nprivileges of the host\u0027s QEMU process corresponding to the guest.\n(CVE-2015-3456)\n\nRed Hat would like to thank Jason Geffner of CrowdStrike for reporting\nthis issue.\n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain a backported patch to correct this issue. After installing this\nupdate, shut down all running virtual machines. Once all virtual machines\nhave shut down, start them again for this update to take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
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"name": "Red Hat Product Security",
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"url": "https://access.redhat.com/errata/RHSA-2015:0998"
},
{
"category": "external",
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"url": "https://access.redhat.com/security/updates/classification/#important"
},
{
"category": "external",
"summary": "1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_0998.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm security update",
"tracking": {
"current_release_date": "2024-11-14T15:26:29+00:00",
"generator": {
"date": "2024-11-14T15:26:29+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.0"
}
},
"id": "RHSA-2015:0998",
"initial_release_date": "2015-05-13T10:55:59+00:00",
"revision_history": [
{
"date": "2015-05-13T10:55:59+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2015-05-13T10:55:59+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-14T15:26:29+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
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}
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"title": "Vulnerability summary"
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},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"url": "https://access.redhat.com/errata/RHSA-2015:0998"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.5,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:A/AC:H/Au:S/C:C/I:C/A:C",
"version": "2.0"
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
rhsa-2015_1004
Vulnerability from csaf_redhat
Published
2015-05-13 11:18
Modified
2024-11-14 15:27
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix one security issue are now
available for Red Hat Enterprise Linux OpenStack Platform 4.0, Red Hat
Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 6 and
7, and Red Hat Enterprise Linux OpenStack Platform 6.0.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
An out-of-bounds memory access flaw was found in the way QEMU's virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host's QEMU process corresponding to the guest.
(CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.
All qemu-kvm-rhev users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. After installing
this update, shut down all running virtual machines. Once all virtual
machines have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
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"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
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},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm-rhev packages that fix one security issue are now\navailable for Red Hat Enterprise Linux OpenStack Platform 4.0, Red Hat\nEnterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 6 and\n7, and Red Hat Enterprise Linux OpenStack Platform 6.0.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual\nFloppy Disk Controller (FDC) handled FIFO buffer access while processing\ncertain FDC commands. A privileged guest user could use this flaw to crash\nthe guest or, potentially, execute arbitrary code on the host with the\nprivileges of the host\u0027s QEMU process corresponding to the guest.\n(CVE-2015-3456)\n\nRed Hat would like to thank Jason Geffner of CrowdStrike for reporting\nthis issue.\n\nAll qemu-kvm-rhev users are advised to upgrade to these updated packages,\nwhich contain a backported patch to correct this issue. After installing\nthis update, shut down all running virtual machines. Once all virtual\nmachines have shut down, start them again for this update to take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
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"contact_details": "https://access.redhat.com/security/team/contact/",
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"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2015:1004",
"url": "https://access.redhat.com/errata/RHSA-2015:1004"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#important",
"url": "https://access.redhat.com/security/updates/classification/#important"
},
{
"category": "external",
"summary": "1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_1004.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
"current_release_date": "2024-11-14T15:27:20+00:00",
"generator": {
"date": "2024-11-14T15:27:20+00:00",
"engine": {
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"version": "4.2.0"
}
},
"id": "RHSA-2015:1004",
"initial_release_date": "2015-05-13T11:18:30+00:00",
"revision_history": [
{
"date": "2015-05-13T11:18:30+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2015-05-13T11:18:30+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-14T15:27:20+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
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"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
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"ids": [
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"system_name": "Red Hat Bugzilla ID",
"text": "1218611"
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{
"category": "description",
"text": "An out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host\u0027s QEMU process corresponding to the guest.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: fdc: out-of-bounds fifo buffer memory access",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5, the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7, and the versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Future updates for the respective releases will address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2015-3456"
},
{
"category": "external",
"summary": "RHBZ#1218611",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1218611"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2015-3456",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-3456"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456"
},
{
"category": "external",
"summary": "http://venom.crowdstrike.com/",
"url": "http://venom.crowdstrike.com/"
},
{
"category": "external",
"summary": "http://xenbits.xen.org/xsa/advisory-133.html",
"url": "http://xenbits.xen.org/xsa/advisory-133.html"
},
{
"category": "external",
"summary": "https://access.redhat.com/articles/1444903",
"url": "https://access.redhat.com/articles/1444903"
},
{
"category": "external",
"summary": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/",
"url": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/"
}
],
"release_date": "2015-05-13T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2015-05-13T11:18:30+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
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"7Server-RH7-RHOS-6.0:libcacard-rhev-10:2.1.2-23.el7_1.3.x86_64",
"7Server-RH7-RHOS-6.0:libcacard-tools-rhev-10:2.1.2-23.el7_1.3.x86_64",
"7Server-RH7-RHOS-6.0:qemu-img-rhev-10:2.1.2-23.el7_1.3.x86_64",
"7Server-RH7-RHOS-6.0:qemu-kvm-common-rhev-10:2.1.2-23.el7_1.3.x86_64",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2015:1004"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.5,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:A/AC:H/Au:S/C:C/I:C/A:C",
"version": "2.0"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "qemu: fdc: out-of-bounds fifo buffer memory access"
}
]
}
var-201505-0417
Vulnerability from variot
The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM. QEMU is prone to a remote memory-corruption vulnerability because the application fails to perform adequate boundary-checks on user-supplied data. An attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts may result in a denial-of-service condition. 6) - i386, x86_64
Release Date: 2015-05-21 Last Updated: 2015-05-21
Potential Security Impact: Denial of Service (DoS), Execution of Arbitary Code
Source: Hewlett-Packard Company, HP Software Security Response Team
VULNERABILITY SUMMARY A potential security vulnerability has identitfied with HP Helion OpenStack.
Notes:
- This is the vulnerability known as "Virtual Environment Neglected Operations
Manipulation"also known as "VENOM". - This vulnerability exists in the floppy disk controller driver of QEMU, an open-source
virtualization technology used to provision guest Virtual Machines. - This vulnerability affects all versions of QEMU and could lead to hypervisor breakout,
where a user of the guest VM can gain control of the host. HP Helion OpenStack leverages
QEMU as a core part of its virtualization functionality and is therefore affected by this
vulnerability. - Due to the careful application of sVirt and AppArmor policies the attacker's ability to
pivot after successfully exploiting the vulnerability is significantly reduced.
References:
CVE-2015-3456 (SSRT102076)
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP Helion OpenStack software:
HP Helion OpenStack 1.0.0 HP Helion OpenStack 1.1.0
BACKGROUND
CVSS 2.0 Base Metrics
Reference Base Vector Base Score CVE-2015-3456 (AV:A/AC:L/Au:S/C:C/I:C/A:C) 7.7 =========================================================== Information on CVSS is documented in HP Customer Notice: HPSN-2008-002
RESOLUTION
HP has provided the following software update to resolve the
vulnerability in HP
Helion OpenStack. The latest Helion OpenStack software can be downloaded by the following steps:
2. Go to https://helion.hpwsportal.com
3. Find the Helion OpenStack compressed package version 1.1.1 and
download the
package
Follow the deployment steps in the following link:
http://docs.hpcloud.com/helion/openstack/1.1.1/update
HP Helion OpenStack Upgrade Version
HP Helion OpenStack 1.0.0, 1.1.0 HP Helion OpenStack 1.1.1
Note: HP Helion 1.0.0 and 1.1.0 customers are advised to migrate their deployments to
version 1.1.1.
HISTORY Version:1 (rev.1) - 21 May 2015 Initial release
Third Party Security Patches: Third party security patches that are to be installed on systems running HP software products should be applied in accordance with the customer's patch management policy.
Support: For issues about implementing the recommendations of this Security Bulletin, contact normal HP Services support channel. For other issues about the content of this Security Bulletin, send e-mail to security-alert@hp.com.
Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@hp.com
Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via Email: http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins
Security Bulletin Archive: A list of recently released Security Bulletins is available here: https://h20564.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/
Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB.
3C = 3COM 3P = 3rd Party Software GN = HP General Software HF = HP Hardware and Firmware MP = MPE/iX MU = Multi-Platform Software NS = NonStop Servers OV = OpenVMS PI = Printing and Imaging PV = ProCurve ST = Storage Software TU = Tru64 UNIX UX = HP-UX
Copyright 2015 Hewlett-Packard Development Company, L.P. Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP or its affiliates, subcontractors or suppliers will be liable for incidental,special or consequential damages including downtime cost; lost profits; damages relating to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this document is subject to change without notice. Hewlett-Packard Company and the names of Hewlett-Packard products referenced herein are trademarks of Hewlett-Packard Company in the United States and other countries. Other product and company names mentioned herein may be trademarks of their respective owners. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201612-27
https://security.gentoo.org/
Severity: Normal Title: VirtualBox: Multiple vulnerabilities [REVIEW] Date: December 11, 2016 Bugs: #505274, #537218, #550964 ID: 201612-27
Synopsis
Multiple vulnerabilities have been found in VirtualBox, the worst of which allows local users to escalate privileges.
Background
VirtualBox is a powerful virtualization product from Oracle.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-emulation/virtualbox < 4.3.28 >= 4.3.28 2 app-emulation/virtualbox-bin < 4.3.28 >= 4.3.28 ------------------------------------------------------------------- 2 affected packages
Description
Multiple vulnerabilities have been discovered in VirtualBox. Please review the CVE identifiers referenced below for details.
Workaround
There is no known workaround at this time.
Resolution
All VirtualBox users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/virtualbox-4.3.28"
All VirtualBox-bin users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/virtualbox-bin-4.3.28"
References
[ 1 ] CVE-2014-0981 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0981 [ 2 ] CVE-2014-0983 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0983 [ 3 ] CVE-2014-6588 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6588 [ 4 ] CVE-2014-6589 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6589 [ 5 ] CVE-2014-6590 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6590 [ 6 ] CVE-2014-6595 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6595 [ 7 ] CVE-2015-0377 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0377 [ 8 ] CVE-2015-0418 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0418 [ 9 ] CVE-2015-0427 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0427 [ 10 ] CVE-2015-3456 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3456 [ 11 ] CVE-2016-5608 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5608 [ 12 ] CVE-2016-5610 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5610 [ 13 ] CVE-2016-5611 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5611 [ 14 ] CVE-2016-5613 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5613
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/201612-27
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2016 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: qemu-kvm security update Advisory ID: RHSA-2015:0999-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0999.html Issue date: 2015-05-13 CVE Names: CVE-2015-3456 =====================================================================
- Summary:
Updated qemu-kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
- Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
- Description:
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM.
An out-of-bounds memory access flaw was found in the way QEMU's virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host's QEMU process corresponding to the guest. (CVE-2015-3456)
Red Hat would like to thank Jason Geffner of CrowdStrike for reporting this issue.
All qemu-kvm users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
- Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
- Bugs fixed (https://bugzilla.redhat.com/):
1218611 - CVE-2015-3456 qemu: fdc: out-of-bounds fifo buffer memory access
- Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: qemu-kvm-1.5.3-86.el7_1.2.src.rpm
x86_64: libcacard-1.5.3-86.el7_1.2.i686.rpm libcacard-1.5.3-86.el7_1.2.x86_64.rpm qemu-img-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: libcacard-devel-1.5.3-86.el7_1.2.i686.rpm libcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm libcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: qemu-kvm-1.5.3-86.el7_1.2.src.rpm
x86_64: libcacard-1.5.3-86.el7_1.2.i686.rpm libcacard-1.5.3-86.el7_1.2.x86_64.rpm libcacard-devel-1.5.3-86.el7_1.2.i686.rpm libcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm libcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm qemu-img-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: qemu-kvm-1.5.3-86.el7_1.2.src.rpm
ppc64: qemu-img-1.5.3-86.el7_1.2.ppc64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc64.rpm
x86_64: libcacard-1.5.3-86.el7_1.2.i686.rpm libcacard-1.5.3-86.el7_1.2.x86_64.rpm qemu-img-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: libcacard-1.5.3-86.el7_1.2.ppc.rpm libcacard-1.5.3-86.el7_1.2.ppc64.rpm libcacard-devel-1.5.3-86.el7_1.2.ppc.rpm libcacard-devel-1.5.3-86.el7_1.2.ppc64.rpm libcacard-tools-1.5.3-86.el7_1.2.ppc64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc64.rpm
x86_64: libcacard-devel-1.5.3-86.el7_1.2.i686.rpm libcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm libcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: qemu-kvm-1.5.3-86.el7_1.2.src.rpm
x86_64: libcacard-1.5.3-86.el7_1.2.i686.rpm libcacard-1.5.3-86.el7_1.2.x86_64.rpm qemu-img-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: libcacard-devel-1.5.3-86.el7_1.2.i686.rpm libcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm libcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
- References:
https://access.redhat.com/security/cve/CVE-2015-3456 https://access.redhat.com/security/updates/classification/#important
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2015 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
iD8DBQFVU1swXlSAg2UNWIIRAshIAKCZWkFNWcyvUBOx0PV9ta8YOtLgbgCdFbuw V78Qd9SnhHVz0MTvjdFcFu0= =+Vrr -----END PGP SIGNATURE-----
-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce .
For the oldstable distribution (wheezy), these problems have been fixed in version 1.1.2+dfsg-6a+deb7u7 of the qemu source package and in version 1.1.2+dfsg-6+deb7u7 of the qemu-kvm source package. Only CVE-2015-3456 affects oldstable.
For the stable distribution (jessie), these problems have been fixed in version 1:2.1+dfsg-12.
For the unstable distribution (sid), these problems will be fixed soon.
We recommend that you upgrade your qemu packages. ============================================================================ Ubuntu Security Notice USN-2608-1 May 13, 2015
qemu, qemu-kvm vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in QEMU.
Software Description: - qemu: Machine emulator and virtualizer - qemu-kvm: Machine emulator and virtualizer
Details:
Jason Geffner discovered that QEMU incorrectly handled the virtual floppy driver. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. (CVE-2015-3456)
Daniel P. Berrange discovered that QEMU incorrectly handled VNC websockets. A remote attacker could use this issue to cause QEMU to consume memory, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 14.10 and Ubuntu 15.04. (CVE-2015-1779)
Jan Beulich discovered that QEMU, when used with Xen, didn't properly restrict access to PCI command registers. A malicious guest could use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2015-2756)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 15.04: qemu-system 1:2.2+dfsg-5expubuntu9.1 qemu-system-aarch64 1:2.2+dfsg-5expubuntu9.1 qemu-system-arm 1:2.2+dfsg-5expubuntu9.1 qemu-system-mips 1:2.2+dfsg-5expubuntu9.1 qemu-system-misc 1:2.2+dfsg-5expubuntu9.1 qemu-system-ppc 1:2.2+dfsg-5expubuntu9.1 qemu-system-sparc 1:2.2+dfsg-5expubuntu9.1 qemu-system-x86 1:2.2+dfsg-5expubuntu9.1
Ubuntu 14.10: qemu-system 2.1+dfsg-4ubuntu6.6 qemu-system-aarch64 2.1+dfsg-4ubuntu6.6 qemu-system-arm 2.1+dfsg-4ubuntu6.6 qemu-system-mips 2.1+dfsg-4ubuntu6.6 qemu-system-misc 2.1+dfsg-4ubuntu6.6 qemu-system-ppc 2.1+dfsg-4ubuntu6.6 qemu-system-sparc 2.1+dfsg-4ubuntu6.6 qemu-system-x86 2.1+dfsg-4ubuntu6.6
Ubuntu 14.04 LTS: qemu-system 2.0.0+dfsg-2ubuntu1.11 qemu-system-aarch64 2.0.0+dfsg-2ubuntu1.11 qemu-system-arm 2.0.0+dfsg-2ubuntu1.11 qemu-system-mips 2.0.0+dfsg-2ubuntu1.11 qemu-system-misc 2.0.0+dfsg-2ubuntu1.11 qemu-system-ppc 2.0.0+dfsg-2ubuntu1.11 qemu-system-sparc 2.0.0+dfsg-2ubuntu1.11 qemu-system-x86 2.0.0+dfsg-2ubuntu1.11
Ubuntu 12.04 LTS: qemu-kvm 1.0+noroms-0ubuntu14.22
After a standard system update you need to restart all QEMU virtual machines to make all the necessary changes
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"data": "The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM. QEMU is prone to a remote memory-corruption vulnerability because the application fails to perform adequate boundary-checks on user-supplied data. \nAn attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts may result in a denial-of-service condition. 6) - i386, x86_64\n\n3. \n\nRelease Date: 2015-05-21\nLast Updated: 2015-05-21\n\nPotential Security Impact: Denial of Service (DoS), Execution of Arbitary\nCode\n\nSource: Hewlett-Packard Company, HP Software Security Response Team\n\nVULNERABILITY SUMMARY\nA potential security vulnerability has identitfied with HP Helion OpenStack. \n\nNotes:\n\n - This is the vulnerability known as \"Virtual Environment Neglected\nOperations\n\nManipulation\"also known as \"VENOM\". \n - This vulnerability exists in the floppy disk controller driver of QEMU, an\nopen-source\n\nvirtualization technology used to provision guest Virtual Machines. \n - This vulnerability affects all versions of QEMU and could lead to\nhypervisor breakout,\n\nwhere a user of the guest VM can gain control of the host. HP Helion\nOpenStack leverages\n\nQEMU as a core part of its virtualization functionality and is therefore\naffected by this\n\nvulnerability. \n - Due to the careful application of sVirt and AppArmor policies the\nattacker\u0027s ability to\n\npivot after successfully exploiting the vulnerability is significantly\nreduced. \n\nReferences:\n\nCVE-2015-3456 (SSRT102076)\n\nSUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. \nHP Helion OpenStack software:\n\nHP Helion OpenStack 1.0.0\nHP Helion OpenStack 1.1.0\n\nBACKGROUND\n\nCVSS 2.0 Base Metrics\n===========================================================\n Reference Base Vector Base Score\nCVE-2015-3456 (AV:A/AC:L/Au:S/C:C/I:C/A:C) 7.7\n===========================================================\n Information on CVSS is documented\n in HP Customer Notice: HPSN-2008-002\n\nRESOLUTION\n\n HP has provided the following software update to resolve the\nvulnerability in HP\n\nHelion OpenStack. The latest Helion OpenStack software can be downloaded by the\nfollowing steps:\n\n\t2. Go to https://helion.hpwsportal.com\n\n 3. Find the Helion OpenStack compressed package version 1.1.1 and\ndownload the\n\npackage\n\nFollow the deployment steps in the following link:\n\nhttp://docs.hpcloud.com/helion/openstack/1.1.1/update\n\nHP Helion OpenStack\n Upgrade Version\n\nHP Helion OpenStack 1.0.0, 1.1.0\n HP Helion OpenStack 1.1.1\n\nNote: HP Helion 1.0.0 and 1.1.0 customers are advised to migrate their\ndeployments to\n\nversion 1.1.1. \n\nHISTORY\nVersion:1 (rev.1) - 21 May 2015 Initial release\n\nThird Party Security Patches: Third party security patches that are to be\ninstalled on systems running HP software products should be applied in\naccordance with the customer\u0027s patch management policy. \n\nSupport: For issues about implementing the recommendations of this Security\nBulletin, contact normal HP Services support channel. For other issues about\nthe content of this Security Bulletin, send e-mail to security-alert@hp.com. \n\nReport: To report a potential security vulnerability with any HP supported\nproduct, send Email to: security-alert@hp.com\n\nSubscribe: To initiate a subscription to receive future HP Security Bulletin\nalerts via Email:\nhttp://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins\n\nSecurity Bulletin Archive: A list of recently released Security Bulletins is\navailable here:\nhttps://h20564.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/\n\nSoftware Product Category: The Software Product Category is represented in\nthe title by the two characters following HPSB. \n\n3C = 3COM\n3P = 3rd Party Software\nGN = HP General Software\nHF = HP Hardware and Firmware\nMP = MPE/iX\nMU = Multi-Platform Software\nNS = NonStop Servers\nOV = OpenVMS\nPI = Printing and Imaging\nPV = ProCurve\nST = Storage Software\nTU = Tru64 UNIX\nUX = HP-UX\n\nCopyright 2015 Hewlett-Packard Development Company, L.P. \nHewlett-Packard Company shall not be liable for technical or editorial errors\nor omissions contained herein. The information provided is provided \"as is\"\nwithout warranty of any kind. To the extent permitted by law, neither HP or\nits affiliates, subcontractors or suppliers will be liable for\nincidental,special or consequential damages including downtime cost; lost\nprofits; damages relating to the procurement of substitute products or\nservices; or damages for loss of data, or software restoration. The\ninformation in this document is subject to change without notice. \nHewlett-Packard Company and the names of Hewlett-Packard products referenced\nherein are trademarks of Hewlett-Packard Company in the United States and\nother countries. Other product and company names mentioned herein may be\ntrademarks of their respective owners. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 201612-27\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n https://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n Title: VirtualBox: Multiple vulnerabilities [REVIEW]\n Date: December 11, 2016\n Bugs: #505274, #537218, #550964\n ID: 201612-27\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been found in VirtualBox, the worst of\nwhich allows local users to escalate privileges. \n\nBackground\n==========\n\nVirtualBox is a powerful virtualization product from Oracle. \n\nAffected packages\n=================\n\n -------------------------------------------------------------------\n Package / Vulnerable / Unaffected\n -------------------------------------------------------------------\n 1 app-emulation/virtualbox\n \u003c 4.3.28 \u003e= 4.3.28\n 2 app-emulation/virtualbox-bin\n \u003c 4.3.28 \u003e= 4.3.28\n -------------------------------------------------------------------\n 2 affected packages\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in VirtualBox. Please\nreview the CVE identifiers referenced below for details. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll VirtualBox users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot -v \"\u003e=app-emulation/virtualbox-4.3.28\"\n\nAll VirtualBox-bin users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot -v \"\u003e=app-emulation/virtualbox-bin-4.3.28\"\n\nReferences\n==========\n\n[ 1 ] CVE-2014-0981\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0981\n[ 2 ] CVE-2014-0983\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0983\n[ 3 ] CVE-2014-6588\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6588\n[ 4 ] CVE-2014-6589\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6589\n[ 5 ] CVE-2014-6590\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6590\n[ 6 ] CVE-2014-6595\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6595\n[ 7 ] CVE-2015-0377\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0377\n[ 8 ] CVE-2015-0418\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0418\n[ 9 ] CVE-2015-0427\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0427\n[ 10 ] CVE-2015-3456\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3456\n[ 11 ] CVE-2016-5608\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5608\n[ 12 ] CVE-2016-5610\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5610\n[ 13 ] CVE-2016-5611\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5611\n[ 14 ] CVE-2016-5613\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5613\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n https://security.gentoo.org/glsa/201612-27\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2016 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttp://creativecommons.org/licenses/by-sa/2.5\n\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\n=====================================================================\n Red Hat Security Advisory\n\nSynopsis: Important: qemu-kvm security update\nAdvisory ID: RHSA-2015:0999-01\nProduct: Red Hat Enterprise Linux\nAdvisory URL: https://rhn.redhat.com/errata/RHSA-2015-0999.html\nIssue date: 2015-05-13\nCVE Names: CVE-2015-3456 \n=====================================================================\n\n1. Summary:\n\nUpdated qemu-kvm packages that fix one security issue are now available for\nRed Hat Enterprise Linux 7. \n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Client (v. 7) - x86_64\nRed Hat Enterprise Linux Client Optional (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64\nRed Hat Enterprise Linux Server (v. 7) - ppc64, x86_64\nRed Hat Enterprise Linux Server Optional (v. 7) - ppc64, x86_64\nRed Hat Enterprise Linux Workstation (v. 7) - x86_64\nRed Hat Enterprise Linux Workstation Optional (v. 7) - x86_64\n\n3. Description:\n\nKVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm package provides the\nuser-space component for running virtual machines using KVM. \n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s virtual\nFloppy Disk Controller (FDC) handled FIFO buffer access while processing\ncertain FDC commands. A privileged guest user could use this flaw to crash\nthe guest or, potentially, execute arbitrary code on the host with the\nprivileges of the host\u0027s QEMU process corresponding to the guest. \n(CVE-2015-3456)\n\nRed Hat would like to thank Jason Geffner of CrowdStrike for reporting\nthis issue. \n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain a backported patch to correct this issue. After installing this\nupdate, shut down all running virtual machines. Once all virtual machines\nhave shut down, start them again for this update to take effect. \n\n4. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. \n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1218611 - CVE-2015-3456 qemu: fdc: out-of-bounds fifo buffer memory access\n\n6. Package List:\n\nRed Hat Enterprise Linux Client (v. 7):\n\nSource:\nqemu-kvm-1.5.3-86.el7_1.2.src.rpm\n\nx86_64:\nlibcacard-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-img-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm\n\nRed Hat Enterprise Linux Client Optional (v. 7):\n\nx86_64:\nlibcacard-devel-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm\nlibcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode Optional (v. 7):\n\nSource:\nqemu-kvm-1.5.3-86.el7_1.2.src.rpm\n\nx86_64:\nlibcacard-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-1.5.3-86.el7_1.2.x86_64.rpm\nlibcacard-devel-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm\nlibcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-img-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server (v. 7):\n\nSource:\nqemu-kvm-1.5.3-86.el7_1.2.src.rpm\n\nppc64:\nqemu-img-1.5.3-86.el7_1.2.ppc64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc64.rpm\n\nx86_64:\nlibcacard-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-img-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional (v. 7):\n\nppc64:\nlibcacard-1.5.3-86.el7_1.2.ppc.rpm\nlibcacard-1.5.3-86.el7_1.2.ppc64.rpm\nlibcacard-devel-1.5.3-86.el7_1.2.ppc.rpm\nlibcacard-devel-1.5.3-86.el7_1.2.ppc64.rpm\nlibcacard-tools-1.5.3-86.el7_1.2.ppc64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc64.rpm\n\nx86_64:\nlibcacard-devel-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm\nlibcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nqemu-kvm-1.5.3-86.el7_1.2.src.rpm\n\nx86_64:\nlibcacard-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-img-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation Optional (v. 7):\n\nx86_64:\nlibcacard-devel-1.5.3-86.el7_1.2.i686.rpm\nlibcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm\nlibcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm\nqemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security. Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2015-3456\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2015 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n\niD8DBQFVU1swXlSAg2UNWIIRAshIAKCZWkFNWcyvUBOx0PV9ta8YOtLgbgCdFbuw\nV78Qd9SnhHVz0MTvjdFcFu0=\n=+Vrr\n-----END PGP SIGNATURE-----\n\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n. \n\nFor the oldstable distribution (wheezy), these problems have been fixed\nin version 1.1.2+dfsg-6a+deb7u7 of the qemu source package and in version\n1.1.2+dfsg-6+deb7u7 of the qemu-kvm source package. Only CVE-2015-3456\naffects oldstable. \n\nFor the stable distribution (jessie), these problems have been fixed in\nversion 1:2.1+dfsg-12. \n\nFor the unstable distribution (sid), these problems will be fixed soon. \n\nWe recommend that you upgrade your qemu packages. ============================================================================\nUbuntu Security Notice USN-2608-1\nMay 13, 2015\n\nqemu, qemu-kvm vulnerabilities\n============================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 15.04\n- Ubuntu 14.10\n- Ubuntu 14.04 LTS\n- Ubuntu 12.04 LTS\n\nSummary:\n\nSeveral security issues were fixed in QEMU. \n\nSoftware Description:\n- qemu: Machine emulator and virtualizer\n- qemu-kvm: Machine emulator and virtualizer\n\nDetails:\n\nJason Geffner discovered that QEMU incorrectly handled the virtual floppy\ndriver. In the default installation,\nwhen QEMU is used with libvirt, attackers would be isolated by the libvirt\nAppArmor profile. (CVE-2015-3456)\n\nDaniel P. Berrange discovered that QEMU incorrectly handled VNC websockets. \nA remote attacker could use this issue to cause QEMU to consume memory,\nresulting in a denial of service. This issue only affected Ubuntu 14.04\nLTS, Ubuntu 14.10 and Ubuntu 15.04. (CVE-2015-1779)\n\nJan Beulich discovered that QEMU, when used with Xen, didn\u0027t properly\nrestrict access to PCI command registers. A malicious guest could use this\nissue to cause a denial of service. This issue only affected Ubuntu 14.04\nLTS and Ubuntu 14.10. (CVE-2015-2756)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 15.04:\n qemu-system 1:2.2+dfsg-5expubuntu9.1\n qemu-system-aarch64 1:2.2+dfsg-5expubuntu9.1\n qemu-system-arm 1:2.2+dfsg-5expubuntu9.1\n qemu-system-mips 1:2.2+dfsg-5expubuntu9.1\n qemu-system-misc 1:2.2+dfsg-5expubuntu9.1\n qemu-system-ppc 1:2.2+dfsg-5expubuntu9.1\n qemu-system-sparc 1:2.2+dfsg-5expubuntu9.1\n qemu-system-x86 1:2.2+dfsg-5expubuntu9.1\n\nUbuntu 14.10:\n qemu-system 2.1+dfsg-4ubuntu6.6\n qemu-system-aarch64 2.1+dfsg-4ubuntu6.6\n qemu-system-arm 2.1+dfsg-4ubuntu6.6\n qemu-system-mips 2.1+dfsg-4ubuntu6.6\n qemu-system-misc 2.1+dfsg-4ubuntu6.6\n qemu-system-ppc 2.1+dfsg-4ubuntu6.6\n qemu-system-sparc 2.1+dfsg-4ubuntu6.6\n qemu-system-x86 2.1+dfsg-4ubuntu6.6\n\nUbuntu 14.04 LTS:\n qemu-system 2.0.0+dfsg-2ubuntu1.11\n qemu-system-aarch64 2.0.0+dfsg-2ubuntu1.11\n qemu-system-arm 2.0.0+dfsg-2ubuntu1.11\n qemu-system-mips 2.0.0+dfsg-2ubuntu1.11\n qemu-system-misc 2.0.0+dfsg-2ubuntu1.11\n qemu-system-ppc 2.0.0+dfsg-2ubuntu1.11\n qemu-system-sparc 2.0.0+dfsg-2ubuntu1.11\n qemu-system-x86 2.0.0+dfsg-2ubuntu1.11\n\nUbuntu 12.04 LTS:\n qemu-kvm 1.0+noroms-0ubuntu14.22\n\nAfter a standard system update you need to restart all QEMU virtual\nmachines to make all the necessary changes",
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gsd-2015-3456
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2015-3456",
"description": "The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.",
"id": "GSD-2015-3456",
"references": [
"https://www.suse.com/security/cve/CVE-2015-3456.html",
"https://www.debian.org/security/2015/dsa-3274",
"https://www.debian.org/security/2015/dsa-3262",
"https://www.debian.org/security/2015/dsa-3259",
"https://access.redhat.com/errata/RHSA-2015:1031",
"https://access.redhat.com/errata/RHSA-2015:1011",
"https://access.redhat.com/errata/RHSA-2015:1004",
"https://access.redhat.com/errata/RHSA-2015:1003",
"https://access.redhat.com/errata/RHSA-2015:1002",
"https://access.redhat.com/errata/RHSA-2015:1001",
"https://access.redhat.com/errata/RHSA-2015:1000",
"https://access.redhat.com/errata/RHSA-2015:0999",
"https://access.redhat.com/errata/RHSA-2015:0998",
"https://ubuntu.com/security/CVE-2015-3456",
"https://advisories.mageia.org/CVE-2015-3456.html",
"https://linux.oracle.com/cve/CVE-2015-3456.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2015-3456"
],
"details": "The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.",
"id": "GSD-2015-3456",
"modified": "2023-12-13T01:20:07.676710Z",
"schema_version": "1.4.0"
}
},
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"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.7,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 5.1,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2021-11-17T22:15Z",
"publishedDate": "2015-05-13T18:59Z"
}
}
}
ghsa-f822-h734-j822
Vulnerability from github
Published
2022-05-13 01:05
Modified
2022-05-13 01:05
Details
The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.
{
"affected": [],
"aliases": [
"CVE-2015-3456"
],
"database_specific": {
"cwe_ids": [
"CWE-119"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2015-05-13T18:59:00Z",
"severity": "HIGH"
},
"details": "The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.",
"id": "GHSA-f822-h734-j822",
"modified": "2022-05-13T01:05:10Z",
"published": "2022-05-13T01:05:10Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3456"
},
{
"type": "WEB",
"url": "https://access.redhat.com/articles/1444903"
},
{
"type": "WEB",
"url": "https://bto.bluecoat.com/security-advisory/sa95"
},
{
"type": "WEB",
"url": "https://kb.juniper.net/JSA10783"
},
{
"type": "WEB",
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10118"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201602-01"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201604-03"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201612-27"
},
{
"type": "WEB",
"url": "https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten"
},
{
"type": "WEB",
"url": "https://support.lenovo.com/us/en/product_security/venom"
},
{
"type": "WEB",
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1128-security-advisory-10"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/37053"
},
{
"type": "WEB",
"url": "https://www.suse.com/security/cve/CVE-2015-3456.html"
},
{
"type": "WEB",
"url": "http://git.qemu.org/?p=qemu.git;a=commitdiff;h=e907746266721f305d67bc0718795fedee2e824c"
},
{
"type": "WEB",
"url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10693"
},
{
"type": "WEB",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158072.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00009.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00013.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00014.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00019.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00021.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00001.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-updates/2015-08/msg00021.html"
},
{
"type": "WEB",
"url": "http://marc.info/?l=bugtraq\u0026m=143229451215900\u0026w=2"
},
{
"type": "WEB",
"url": "http://marc.info/?l=bugtraq\u0026m=143387998230996\u0026w=2"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0998.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0999.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-1000.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-1001.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-1002.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-1003.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-1004.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2015-1011.html"
},
{
"type": "WEB",
"url": "http://support.citrix.com/article/CTX201078"
},
{
"type": "WEB",
"url": "http://venom.crowdstrike.com"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2015/dsa-3259"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2015/dsa-3262"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2015/dsa-3274"
},
{
"type": "WEB",
"url": "http://www.fortiguard.com/advisory/2015-05-19-cve-2015-3456-venom-vulnerability"
},
{
"type": "WEB",
"url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/74640"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1032306"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1032311"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1032917"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-2608-1"
},
{
"type": "WEB",
"url": "http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-438937.htm"
},
{
"type": "WEB",
"url": "http://xenbits.xen.org/xsa/advisory-133.html"
}
],
"schema_version": "1.4.0",
"severity": []
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.