rhsa-2014_1268
Vulnerability from csaf_redhat
Published
2014-09-22 04:00
Modified
2024-11-22 08:21
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix multiple security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat
Enterprise Linux 7.
Red Hat Product Security has rated this update as having Moderate 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.
Two integer overflow flaws were found in the QEMU block driver for QCOW
version 1 disk images. A user able to supply a malicious image file to QEMU
or to helper tools used in image conversion by services such as glance and
nova could potentially use these flaws to cause memory corruption,
resulting in a crash or possibly arbitrary code execution. (CVE-2014-0222,
CVE-2014-0223)
Multiple buffer overflow, input validation, and out-of-bounds write flaws
were found in the way virtio, virtio-net, virtio-scsi, usb, and hpet
drivers of QEMU handled state loading after migration. 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-2013-4148, CVE-2013-4149, CVE-2013-4150, CVE-2013-4151, CVE-2013-4527,
CVE-2013-4529, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541, CVE-2013-4542,
CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)
Red Hat would like to thank NSA for reporting CVE-2014-0222 and
CVE-2014-0223. The following issues were discovered by Michael S. Tsirkin,
Anthony Liguori, and Michael Roth of Red Hat: CVE-2013-4148, CVE-2013-4149,
CVE-2013-4150, CVE-2013-4151, CVE-2013-4527, CVE-2013-4529, CVE-2013-4535,
CVE-2013-4536, CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182,
and CVE-2014-3461.
All qemu-kvm-rhev users are advised to upgrade to these updated packages,
which contain backported patches to correct these issues. 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": "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\nTwo integer overflow flaws were found in the QEMU block driver for QCOW\nversion 1 disk images. A user able to supply a malicious image file to QEMU\nor to helper tools used in image conversion by services such as glance and\nnova could potentially use these flaws to cause memory corruption,\nresulting in a crash or possibly arbitrary code execution. (CVE-2014-0222,\nCVE-2014-0223)\n\nMultiple buffer overflow, input validation, and out-of-bounds write flaws\nwere found in the way virtio, virtio-net, virtio-scsi, usb, and hpet\ndrivers of QEMU handled state loading after migration. A user able to alter\nthe savevm data (either on the disk or over the wire during migration)\ncould use either of these flaws to corrupt QEMU process memory on the\n(destination) host, which could potentially result in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2013-4148, CVE-2013-4149, CVE-2013-4150, CVE-2013-4151, CVE-2013-4527,\nCVE-2013-4529, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541, CVE-2013-4542,\nCVE-2013-6399, CVE-2014-0182, CVE-2014-3461)\n\nRed Hat would like to thank NSA for reporting CVE-2014-0222 and\nCVE-2014-0223. The following issues were discovered by Michael S. Tsirkin,\nAnthony Liguori, and Michael Roth of Red Hat: CVE-2013-4148, CVE-2013-4149,\nCVE-2013-4150, CVE-2013-4151, CVE-2013-4527, CVE-2013-4529, CVE-2013-4535,\nCVE-2013-4536, CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182,\nand CVE-2014-3461.\n\nAll qemu-kvm-rhev users are advised to upgrade to these updated packages,\nwhich contain backported patches to correct these issues. 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.",
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"vulnerabilities": [
{
"acknowledgments": [
{
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{
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"Michael Roth"
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"cve": "CVE-2013-4148",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
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"text": "1066334"
}
],
"notes": [
{
"category": "description",
"text": "Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.",
"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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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2014:1268"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: qcow1: validate image size to avoid out-of-bounds memory access"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2014-3461",
"cwe": {
"id": "CWE-122",
"name": "Heap-based Buffer Overflow"
},
"discovery_date": "2014-05-12T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1096821"
}
],
"notes": [
{
"category": "description",
"text": "hw/usb/bus.c in QEMU 1.6.2 allows remote attackers to execute arbitrary code via crafted savevm data, which triggers a heap-based buffer overflow, related to \"USB post load checks.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: usb: fix up post load checks",
"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": [
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-3461"
},
{
"category": "external",
"summary": "RHBZ#1096821",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1096821"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-3461",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-3461"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-3461",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3461"
}
],
"release_date": "2014-05-12T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-09-22T04:00:39+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/articles/11258",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:1268"
}
],
"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": [
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: usb: fix up post load checks"
}
]
}
Loading…
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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.