Home/CVE/The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function, when in snapshot node,
CVE

CVE-2012-2652

The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function, when in snapshot node,

The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function, when in snapshot node, which allows local users to overwrite or read arbitrary files via a symlink attack on an unspecified temporary file.

MEDIUM · CVSS 4.4 EPSS 0.00065
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
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Affected Products & Versions

1
qemuall versions
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Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
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Scoring & Timeline

4.4
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:M/Au:N/C:P/I:P/A:P
Published to NVD07 Aug 2012 · 08:55 PM
⚑

Vendor Advisories

3
suse-csafSUSE-SU-2015:0943-1
suse-csafSUSE-SU-2015:0929-1
usnUSN-1522-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.kernel.org/?p=virt/kvm/qemu-kvm.git
http://git.qemu.org/?p=qemu-stable-0.15.git
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html
http://secunia.com/advisories/50132Vendor Advisory
http://secunia.com/advisories/50689
http://www.debian.org/security/2012/dsa-2545
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