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cve-2014-3640
Vulnerability from cvelistv5
Published
2014-11-07 19:00
Modified
2024-08-06 10:50
Severity ?
EPSS score ?
Summary
The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.
References
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Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1144818\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-0349.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-0624.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2014/dsa-3044\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2014/dsa-3045\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2409-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1144818\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]}],\"evaluatorComment\":\"\u003ca href=\\\"http://cwe.mitre.org/data/definitions/476.html\\\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e\"}}" } }
ghsa-j3fm-c8x4-hh72
Vulnerability from github
Published
2022-05-17 00:28
Modified
2022-05-17 00:28
Details
The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.
{ "affected": [], "aliases": [ "CVE-2014-3640" ], "database_specific": { "cwe_ids": [ "CWE-476" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2014-11-07T19:55:00Z", "severity": "LOW" }, "details": "The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.", "id": "GHSA-j3fm-c8x4-hh72", "modified": "2022-05-17T00:28:35Z", "published": "2022-05-17T00:28:35Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3640" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2015:0349" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2015:0624" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2014-3640" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144818" }, { "type": "WEB", "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html" }, { "type": "WEB", "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html" }, { "type": "WEB", "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html" }, { "type": "WEB", "url": "http://rhn.redhat.com/errata/RHSA-2015-0349.html" }, { "type": "WEB", "url": "http://rhn.redhat.com/errata/RHSA-2015-0624.html" }, { "type": "WEB", "url": "http://www.debian.org/security/2014/dsa-3044" }, { "type": "WEB", "url": "http://www.debian.org/security/2014/dsa-3045" }, { "type": "WEB", "url": "http://www.ubuntu.com/usn/USN-2409-1" } ], "schema_version": "1.4.0", "severity": [] }
rhsa-2015_0624
Vulnerability from csaf_redhat
Published
2015-03-05 09:37
Modified
2024-11-14 16:30
Summary
Red Hat Security Advisory: qemu-kvm-rhev security, bug fix, and enhancement update
Notes
Topic
Updated qemu-kvm-rhev packages that fix multiple security issues, several
bugs, and add various enhancements are now available for Red Hat Enterprise
Virtualization Hypervisor 7.
Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links 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 Virtualization Manager.
It was found that the Cirrus blit region checks were insufficient.
A privileged guest user could use this flaw to write outside of
VRAM-allocated buffer boundaries in the host's QEMU process address space
with attacker-provided data. (CVE-2014-8106)
An uninitialized data structure use flaw was found in the way the
set_pixel_format() function sanitized the value of bits_per_pixel.
An attacker able to access a guest's VNC console could use this flaw to
crash the guest. (CVE-2014-7815)
It was found that certain values that were read when loading RAM during
migration were not validated. A user able to alter the savevm data (either
on the disk or over the wire during migration) could use either of these
flaws to corrupt QEMU process memory on the (destination) host, which could
potentially result in arbitrary code execution on the host with the
privileges of the QEMU process. (CVE-2014-7840)
A NULL pointer dereference flaw was found in the way QEMU handled UDP
packets with a source port and address of 0 when QEMU's user networking was
in use. A local guest user could use this flaw to crash the guest.
(CVE-2014-3640)
Red Hat would like to thank James Spadaro of Cisco for reporting
CVE-2014-7815, and Xavier Mehrenberger and Stephane Duverger of Airbus for
reporting CVE-2014-3640. The CVE-2014-8106 issue was found by Paolo Bonzini
of Red Hat, and the CVE-2014-7840 issue was discovered by Michael S.
Tsirkin of Red Hat.
This update provides the enhanced version of the qemu-kvm-rhev packages for
Red Hat Enterprise Virtualization (RHEV) Hypervisor, which also fixes
several bugs and adds various enhancements.
All Red Hat Enterprise Virtualization users with deployed virtualization
hosts are advised to install these updated packages, which add this
enhancement. 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": { "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 qemu-kvm-rhev packages that fix multiple security issues, several\nbugs, and add various enhancements are now available for Red Hat Enterprise\nVirtualization Hypervisor 7.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. Common Vulnerability Scoring System (CVSS) base scores, which give\ndetailed severity ratings, are available for each vulnerability from the\nCVE links in the References 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\nenvironments managed by Red Hat Enterprise Virtualization Manager.\n\nIt was found that the Cirrus blit region checks were insufficient.\nA privileged guest user could use this flaw to write outside of\nVRAM-allocated buffer boundaries in the host\u0027s QEMU process address space\nwith attacker-provided data. (CVE-2014-8106)\n\nAn uninitialized data structure use flaw was found in the way the\nset_pixel_format() function sanitized the value of bits_per_pixel.\nAn attacker able to access a guest\u0027s VNC console could use this flaw to\ncrash the guest. (CVE-2014-7815)\n\nIt was found that certain values that were read when loading RAM during\nmigration were not validated. A user able to alter the savevm data (either\non the disk or over the wire during migration) could use either of these\nflaws to corrupt QEMU process memory on the (destination) host, which could\npotentially result in arbitrary code execution on the host with the\nprivileges of the QEMU process. (CVE-2014-7840)\n\nA NULL pointer dereference flaw was found in the way QEMU handled UDP\npackets with a source port and address of 0 when QEMU\u0027s user networking was\nin use. A local guest user could use this flaw to crash the guest.\n(CVE-2014-3640)\n\nRed Hat would like to thank James Spadaro of Cisco for reporting\nCVE-2014-7815, and Xavier Mehrenberger and Stephane Duverger of Airbus for\nreporting CVE-2014-3640. The CVE-2014-8106 issue was found by Paolo Bonzini\nof Red Hat, and the CVE-2014-7840 issue was discovered by Michael S.\nTsirkin of Red Hat.\n\nThis update provides the enhanced version of the qemu-kvm-rhev packages for\nRed Hat Enterprise Virtualization (RHEV) Hypervisor, which also fixes\nseveral bugs and adds various enhancements.\n\nAll Red Hat Enterprise Virtualization users with deployed virtualization\nhosts are advised to install these updated packages, which add this\nenhancement. After installing this update, shut down all running virtual\nmachines. Once all virtual machines have shut down, start them again for\nthis 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": { "category": "vendor", "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" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2015:0624", "url": "https://access.redhat.com/errata/RHSA-2015:0624" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "733600", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=733600" }, { "category": "external", "summary": "760898", 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"7Server-RHEV-Agents-7" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64 as a component of RHEV-H and VDSM for 7 Hosts", "product_id": "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" }, "product_reference": "qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64", "relates_to_product_reference": "7Server-RHEV-Agents-7" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Xavier Mehrenberger" ] }, { "names": [ "Stephane Duverger" ], "organization": "Airbus" } ], "cve": "CVE-2014-3640", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "discovery_date": "2014-09-05T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1144818" } ], "notes": [ { "category": "description", "text": "A NULL pointer dereference flaw was found in the way QEMU handled UDP packets with a source port and address of 0 when QEMU\u0027s user networking was in use. A local guest user could use this flaw to crash the guest.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: slirp: NULL pointer deref in sosendto()", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the kvm package as shipped with Red Hat Enterprise\nLinux 5.\n\nRed Hat Product Security has rated this issue as having Low security impact.\nFuture qemu-kvm updates for Red Hat Enterprise Linux 6 and 7 may address this\nissue. For additional information, refer to the Issue Severity\nClassification: https://access.redhat.com/security/updates/classification/.", "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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2014-3640" }, { "category": "external", "summary": "RHBZ#1144818", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144818" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2014-3640", "url": "https://www.cve.org/CVERecord?id=CVE-2014-3640" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-3640", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3640" } ], "release_date": "2014-09-17T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2015-03-05T09:37:35+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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2015:0624" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 4.4, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:S/C:N/I:N/A:C", "version": "2.0" }, "products": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "qemu: slirp: NULL pointer deref in sosendto()" }, { "acknowledgments": [ { "names": [ "James Spadaro" ], "organization": "Cisco" } ], "cve": "CVE-2014-7815", "discovery_date": "2014-10-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1157641" } ], "notes": [ { "category": "description", "text": "An uninitialized data structure use flaw was found in the way the set_pixel_format() function sanitized the value of bits_per_pixel. An attacker able to access a guest\u0027s VNC console could use this flaw to crash the guest.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: vnc: insufficient bits_per_pixel from the client sanitization", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the kvm package as shipped with Red Hat Enterprise\nLinux 5. Future qemu-kvm updates for Red Hat Enterprise Linux 6 and 7 may address this issue.", "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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2014-7815" }, { "category": "external", "summary": "RHBZ#1157641", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1157641" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2014-7815", "url": "https://www.cve.org/CVERecord?id=CVE-2014-7815" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-7815", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-7815" } ], "release_date": "2014-10-27T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2015-03-05T09:37:35+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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2015:0624" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 5.2, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:C", "version": "2.0" }, "products": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "qemu: vnc: insufficient bits_per_pixel from the client sanitization" }, { "acknowledgments": [ { "names": [ "Michael S. Tsirkin" ], "organization": "Red Hat", "summary": "This issue was discovered by Red Hat." } ], "cve": "CVE-2014-7840", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "discovery_date": "2014-11-11T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1163075" } ], "notes": [ { "category": "description", "text": "It was found that certain values that were read when loading RAM during migration were not validated. A user able to alter the savevm data (either on the disk or over the wire during migration) could use either of these flaws to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: insufficient parameter validation during ram load", "title": "Vulnerability summary" }, { "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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2014-7840" }, { "category": "external", "summary": "RHBZ#1163075", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163075" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2014-7840", "url": "https://www.cve.org/CVERecord?id=CVE-2014-7840" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-7840", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-7840" } ], "release_date": "2014-11-12T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2015-03-05T09:37:35+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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2015:0624" } ], "scores": [ { "cvss_v2": { "accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.7, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P", "version": "2.0" }, "products": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "qemu: insufficient parameter validation during ram load" }, { "acknowledgments": [ { "names": [ "Paolo Bonzini" ], "organization": "Red Hat", "summary": "This issue was discovered by Red Hat." } ], "cve": "CVE-2014-8106", "cwe": { "id": "CWE-119", "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer" }, "discovery_date": "2014-11-13T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1169454" } ], "notes": [ { "category": "description", "text": "It was found that the Cirrus blit region checks were insufficient. A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host\u0027s QEMU process address space with attacker-provided data.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: cirrus: insufficient blit region checks", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6, a future update may address this flaw.\n\nThis issue affects the kvm packages as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue is currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2014-8106" }, { "category": "external", "summary": "RHBZ#1169454", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1169454" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2014-8106", "url": "https://www.cve.org/CVERecord?id=CVE-2014-8106" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-8106", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-8106" } ], "release_date": "2014-12-04T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2015-03-05T09:37:35+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": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2015:0624" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "products": [ "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "qemu: cirrus: insufficient blit region checks" } ] }
rhsa-2015_0349
Vulnerability from csaf_redhat
Published
2015-03-05 07:27
Modified
2024-11-14 16:30
Summary
Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update
Notes
Topic
Updated qemu-kvm packages that fix multiple security issues, several bugs,
and add various enhancements are now available for Red Hat Enterprise
Linux 7.
Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links 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 packages provide the user-space component for running virtual machines using KVM.
It was found that the Cirrus blit region checks were insufficient. A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host's QEMU process address space with attacker-provided data. (CVE-2014-8106)
An uninitialized data structure use flaw was found in the way the set_pixel_format() function sanitized the value of bits_per_pixel. An attacker able to access a guest's VNC console could use this flaw to crash the guest. (CVE-2014-7815)
It was found that certain values that were read when loading RAM during migration were not validated. A user able to alter the savevm data (either on the disk or over the wire during migration) could use either of these flaws to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process. (CVE-2014-7840)
A NULL pointer dereference flaw was found in the way QEMU handled UDP packets with a source port and address of 0 when QEMU's user networking was in use. A local guest user could use this flaw to crash the guest. (CVE-2014-3640)
Red Hat would like to thank James Spadaro of Cisco for reporting CVE-2014-7815, and Xavier Mehrenberger and Stephane Duverger of Airbus for reporting CVE-2014-3640. The CVE-2014-8106 issue was found by Paolo Bonzini of Red Hat, and the CVE-2014-7840 issue was discovered by Michael S. Tsirkin of Red Hat.
Bug fixes:
* The KVM utility executed demanding routing update system calls every time it performed an MSI vector mask/unmask operation. Consequently, guests running legacy systems such as Red Hat Enterprise Linux 5 could, under certain circumstances, experience significant slowdown. Now, the routing system calls during mask/unmask operations are skipped, and the performance of legacy guests is now more consistent. (BZ#1098976)
* Due to a bug in the Internet Small Computer System Interface (iSCSI) driver, a qemu-kvm process terminated unexpectedly with a segmentation fault when the "write same" command was executed in guest mode under the iSCSI protocol. This update fixes the bug, and the "write same" command now functions in guest mode under iSCSI as intended. (BZ#1083413)
* The QEMU command interface did not properly handle resizing of cache memory during guest migration, causing QEMU to terminate unexpectedly with a segmentation fault. This update fixes the related code, and QEMU no longer crashes in the described situation. (BZ#1066338)
Enhancements:
* The maximum number of supported virtual CPUs (vCPUs) in a KVM guest has been increased to 240. This increases the number of virtual processing units that the user can assign to the guest, and therefore improves its performance potential. (BZ#1134408)
* Support for the 5th Generation Intel Core processors has been added to the QEMU hypervisor, the KVM kernel code, and the libvirt API. This allows KVM guests to use the following instructions and features: ADCX, ADOX, RDSFEED, PREFETCHW, and supervisor mode access prevention (SMAP). (BZ#1116117)
* The "dump-guest-memory" command now supports crash dump compression. This makes it possible for users who cannot use the "virsh dump" command to require less hard disk space for guest crash dumps. In addition, saving a compressed guest crash dump frequently takes less time than saving a non-compressed one. (BZ#1157798)
* This update introduces support for flight recorder tracing, which uses SystemTap to automatically capture qemu-kvm data while the guest machine is running. For detailed instructions on how to configure and use flight recorder tracing, see the Virtualization Deployment and Administration Guide, linked to in the References section below. (BZ#1088112)
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 qemu-kvm packages that fix multiple security issues, several bugs,\nand add various enhancements are now available for Red Hat Enterprise\nLinux 7.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. Common Vulnerability Scoring System (CVSS) base scores, which give\ndetailed severity ratings, are available for each vulnerability from the\nCVE links in the References section.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm packages provide the user-space component for running virtual machines using KVM.\n\nIt was found that the Cirrus blit region checks were insufficient. A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host\u0027s QEMU process address space with attacker-provided data. (CVE-2014-8106)\n\nAn uninitialized data structure use flaw was found in the way the set_pixel_format() function sanitized the value of bits_per_pixel. An attacker able to access a guest\u0027s VNC console could use this flaw to crash the guest. (CVE-2014-7815)\n\nIt was found that certain values that were read when loading RAM during migration were not validated. A user able to alter the savevm data (either on the disk or over the wire during migration) could use either of these flaws to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process. (CVE-2014-7840)\n\nA NULL pointer dereference flaw was found in the way QEMU handled UDP packets with a source port and address of 0 when QEMU\u0027s user networking was in use. A local guest user could use this flaw to crash the guest. (CVE-2014-3640)\n\nRed Hat would like to thank James Spadaro of Cisco for reporting CVE-2014-7815, and Xavier Mehrenberger and Stephane Duverger of Airbus for reporting CVE-2014-3640. The CVE-2014-8106 issue was found by Paolo Bonzini of Red Hat, and the CVE-2014-7840 issue was discovered by Michael S. Tsirkin of Red Hat.\n\nBug fixes:\n\n* The KVM utility executed demanding routing update system calls every time it performed an MSI vector mask/unmask operation. Consequently, guests running legacy systems such as Red Hat Enterprise Linux 5 could, under certain circumstances, experience significant slowdown. Now, the routing system calls during mask/unmask operations are skipped, and the performance of legacy guests is now more consistent. (BZ#1098976)\n\n* Due to a bug in the Internet Small Computer System Interface (iSCSI) driver, a qemu-kvm process terminated unexpectedly with a segmentation fault when the \"write same\" command was executed in guest mode under the iSCSI protocol. This update fixes the bug, and the \"write same\" command now functions in guest mode under iSCSI as intended. (BZ#1083413)\n\n* The QEMU command interface did not properly handle resizing of cache memory during guest migration, causing QEMU to terminate unexpectedly with a segmentation fault. This update fixes the related code, and QEMU no longer crashes in the described situation. (BZ#1066338)\n\nEnhancements:\n\n* The maximum number of supported virtual CPUs (vCPUs) in a KVM guest has been increased to 240. This increases the number of virtual processing units that the user can assign to the guest, and therefore improves its performance potential. (BZ#1134408)\n\n* Support for the 5th Generation Intel Core processors has been added to the QEMU hypervisor, the KVM kernel code, and the libvirt API. This allows KVM guests to use the following instructions and features: ADCX, ADOX, RDSFEED, PREFETCHW, and supervisor mode access prevention (SMAP). (BZ#1116117)\n\n* The \"dump-guest-memory\" command now supports crash dump compression. This makes it possible for users who cannot use the \"virsh dump\" command to require less hard disk space for guest crash dumps. In addition, saving a compressed guest crash dump frequently takes less time than saving a non-compressed one. (BZ#1157798)\n\n* This update introduces support for flight recorder tracing, which uses SystemTap to automatically capture qemu-kvm data while the guest machine is running. For detailed instructions on how to configure and use flight recorder tracing, see the Virtualization Deployment and Administration Guide, linked to in the References section below. (BZ#1088112)", "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": { "category": "vendor", "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" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2015:0349", "url": "https://access.redhat.com/errata/RHSA-2015:0349" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": 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"id": "CWE-476", "name": "NULL Pointer Dereference" }, "discovery_date": "2014-09-05T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1144818" } ], "notes": [ { "category": "description", "text": "A NULL pointer dereference flaw was found in the way QEMU handled UDP packets with a source port and address of 0 when QEMU\u0027s user networking was in use. A local guest user could use this flaw to crash the guest.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: slirp: NULL pointer deref in sosendto()", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the kvm package as shipped with Red Hat Enterprise\nLinux 5.\n\nRed Hat Product Security has rated this issue as having Low security impact.\nFuture qemu-kvm updates for Red Hat Enterprise Linux 6 and 7 may address this\nissue. For additional information, refer to the Issue Severity\nClassification: https://access.redhat.com/security/updates/classification/.", "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": [ "7Client-optional:libcacard-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.ppc64", 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An attacker able to access a guest\u0027s VNC console could use this flaw to crash the guest.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: vnc: insufficient bits_per_pixel from the client sanitization", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the kvm package as shipped with Red Hat Enterprise\nLinux 5. Future qemu-kvm updates for Red Hat Enterprise Linux 6 and 7 may address this issue.", "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": [ "7Client-optional:libcacard-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.x86_64", 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Once all virtual machines have shut down, start them again for\nthis update to take effect.\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", "product_ids": [ "7Client-optional:libcacard-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.x86_64", "7Client-optional:qemu-img-10:1.5.3-86.el7.ppc64", "7Client-optional:qemu-img-10:1.5.3-86.el7.x86_64", 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Tsirkin" ], "organization": "Red Hat", "summary": "This issue was discovered by Red Hat." } ], "cve": "CVE-2014-7840", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "discovery_date": "2014-11-11T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1163075" } ], "notes": [ { "category": "description", "text": "It was found that certain values that were read when loading RAM during migration were not validated. A user able to alter the savevm data (either on the disk or over the wire during migration) could use either of these flaws to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: insufficient parameter validation during ram load", "title": "Vulnerability summary" }, { "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": [ "7Client-optional:libcacard-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-10:1.5.3-86.el7.x86_64", 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After installing this update, shut down all running virtual\nmachines. Once all virtual machines have shut down, start them again for\nthis update to take effect.\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", "product_ids": [ "7Client-optional:libcacard-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.x86_64", "7Client-optional:qemu-img-10:1.5.3-86.el7.ppc64", "7Client-optional:qemu-img-10:1.5.3-86.el7.x86_64", 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A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host\u0027s QEMU process address space with attacker-provided data.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: cirrus: insufficient blit region checks", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6, a future update may address this flaw.\n\nThis issue affects the kvm packages as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue is currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "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": [ "7Client-optional:libcacard-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.ppc64", 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After installing this update, shut down all running virtual\nmachines. Once all virtual machines have shut down, start them again for\nthis update to take effect.\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", "product_ids": [ "7Client-optional:libcacard-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.i686", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-devel-10:1.5.3-86.el7.x86_64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.ppc64", "7Client-optional:libcacard-tools-10:1.5.3-86.el7.x86_64", "7Client-optional:qemu-img-10:1.5.3-86.el7.ppc64", "7Client-optional:qemu-img-10:1.5.3-86.el7.x86_64", 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gsd-2014-3640
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2014-3640", "description": "The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.", "id": "GSD-2014-3640", "references": [ "https://www.suse.com/security/cve/CVE-2014-3640.html", "https://www.debian.org/security/2014/dsa-3045", "https://www.debian.org/security/2014/dsa-3044", "https://access.redhat.com/errata/RHSA-2015:0624", "https://access.redhat.com/errata/RHSA-2015:0349", "https://ubuntu.com/security/CVE-2014-3640", "https://advisories.mageia.org/CVE-2014-3640.html", "https://linux.oracle.com/cve/CVE-2014-3640.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2014-3640" ], "details": "The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.", "id": "GSD-2014-3640", "modified": "2023-12-13T01:22:53.084719Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2014-3640", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_affected": "=", "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://www.debian.org/security/2014/dsa-3044", "refsource": "MISC", "url": "http://www.debian.org/security/2014/dsa-3044" }, { "name": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html", "refsource": "MISC", "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html" }, { "name": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html", "refsource": "MISC", "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html" }, { "name": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html", "refsource": "MISC", "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html" }, { "name": "http://rhn.redhat.com/errata/RHSA-2015-0349.html", "refsource": "MISC", "url": "http://rhn.redhat.com/errata/RHSA-2015-0349.html" }, { "name": "http://rhn.redhat.com/errata/RHSA-2015-0624.html", "refsource": "MISC", "url": "http://rhn.redhat.com/errata/RHSA-2015-0624.html" }, { "name": "http://www.debian.org/security/2014/dsa-3045", "refsource": "MISC", "url": "http://www.debian.org/security/2014/dsa-3045" }, { "name": "http://www.ubuntu.com/usn/USN-2409-1", "refsource": "MISC", "url": "http://www.ubuntu.com/usn/USN-2409-1" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1144818", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144818" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:qemu:qemu:2.0.0:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": 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"https://bugzilla.redhat.com/show_bug.cgi?id=1144818" }, { "name": "[Qemu-devel] 20140924 Re: [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized socket", "refsource": "MLIST", "tags": [ "Patch", "Vendor Advisory" ], "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html" }, { "name": "[Qemu-devel] 20140918 [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized socket", "refsource": "MLIST", "tags": [ "Patch", "Vendor Advisory" ], "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html" }, { "name": "[Qemu-devel] 20140923 Re: [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized socket", "refsource": "MLIST", "tags": [ "Patch", "Vendor Advisory" ], "url": "http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html" }, { "name": "DSA-3045", "refsource": "DEBIAN", "tags": [ "Third Party Advisory" ], "url": "http://www.debian.org/security/2014/dsa-3045" }, { "name": "USN-2409-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-2409-1" }, { "name": "RHSA-2015:0349", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2015-0349.html" }, { "name": "RHSA-2015:0624", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2015-0624.html" }, { "name": "DSA-3044", "refsource": "DEBIAN", "tags": [], "url": "http://www.debian.org/security/2014/dsa-3044" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": false } }, "lastModifiedDate": "2023-02-13T00:41Z", "publishedDate": "2014-11-07T19:55Z" } } }
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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.