CVE-2012-2652
The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function,...
CVE-2012-2652 is a medium vulnerability (CVSS 4.4) in Qemu, published August 7, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 28th percentile. Fixed in qemu 1.1.0+dfsg-1.
- Severity
- 4.4 MediumCVSS 2.0, NVD
- Exploit chance
- 0.34%EPSS, 28th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.1.0+dfsg-1qemu +4 more
Description
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
qemuDebian:12 | before 1.1.0+dfsg-1 | 1.1.0+dfsg-1 |
qemuDebian:13 | before 1.1.0+dfsg-1 | 1.1.0+dfsg-1 |
qemuDebian:14 | before 1.1.0+dfsg-1 | 1.1.0+dfsg-1 |
qemu-kvmDebian:6.0 From an advisory covering 2 CVEs | before 0.12.5+dfsg-5+squeeze9, plus listed versions 0.12.5+dfsg-50.12.5+dfsg-5+squeeze10.12.5+dfsg-5+squeeze20.12.5+dfsg-5+squeeze30.12.5+dfsg-5+squeeze4 Show 5 moreShow less0.12.5+dfsg-5+squeeze4~bpo50+10.12.5+dfsg-5+squeeze50.12.5+dfsg-5+squeeze60.12.5+dfsg-5+squeeze70.12.5+dfsg-5+squeeze8 | 0.12.5+dfsg-5+squeeze9 |
qemuDebian:6.0 From an advisory covering 2 CVEs | before 0.12.5+dfsg-3squeeze2, plus listed versions 0.12.5+dfsg-30.12.5+dfsg-3squeeze1 | 0.12.5+dfsg-3squeeze2 |
What each source reports
NVD Score used
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.
- Record
CVE-2012-2652- CVSS 2.0
- 4.4 Medium
AV:L/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2012-2652- Updated
- 2026-11-02
EUVDEUVD-2012-2638No score
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.
- Record
EUVD-2012-2638- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-47rg-xchh-xj5gNo score
The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function,...
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.
- Record
GHSA-47rg-xchh-xj5g- Updated
- 2026-11-02
OSVNo score
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.
- Record
CVE-2012-2652- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-2652No score
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.
- Record
DEBIAN-CVE-2012-2652- Updated
- 2026-11-02
OSVSUSE-SU-2015:0929-1No score
Security update for kvm
The kvm qemu vt100 emulation was affected by a problem where specific vt100 sequences could have been used by guest users to affect the host. (CVE-2012-3515 aka XSA-17).
Also a temp file race was fixed. (CVE-2012-2652)
Security Issue reference:
* CVE-2012-3515
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3515>
* CVE-2012-2652
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2652>
- Record
SUSE-SU-2015:0929-1- Updated
- 2026-11-02
OSVSUSE-SU-2015:0943-1No score
Security update for KVM
This update fixes a file permission issue with qga (the QEMU Guest Agent) from the qemu/kvm package and includes several bug-fixes.
(bnc#818182) (CVE-2013-2007) (bnc#786813) (bnc#725008) (bnc#712137) (bnc#824340)
Security Issues:
* CVE-2013-2007
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2007>
- Record
SUSE-SU-2015:0943-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
secunia.com/advisories/50132
git.qemu.org?p=qemu-stable-0.15.git%3Ba=log
securityfocus.com/bid/53725
lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html
ubuntu.com/usn/USN-1522-1
Show 64 moreShow less
git.kernel.org?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169
debian.org/security/2012/dsa-2545
nvd.nist.gov/vuln/detail/CVE-2012-2652
github.com/advisories/GHSA-47rg-xchh-xj5g
security-tracker.debian.org/tracker/CVE-2012-2652
suse.com/support/update/announcement/2015/suse-su-20150929-1
bugzilla.suse.com/598271