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, which allows local users to overwrite or read arbitrary files via a symlink
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 27.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-08-07 20:00Z14 YR AGO
- Last updated
- 2024-08-06 19:42Z2 YR AGO
- Reserved
- 2012-05-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
- Data version
- 5.1
- Document digest
- 26f73d508c841ea8c00397fc8fe69a87f2f6fd1bf621d2c79d28818314fd99a6
05 Affected products
06 References
- secunia.com50132http://secunia.com/advisories/50132
- git.qemu.orghttp://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log
- secunia.com50689http://secunia.com/advisories/50689
- www.securityfocus.com53725http://www.securityfocus.com/bid/53725
- lists.opensuse.orgSUSE-SU-2012:1202http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html
- www.ubuntu.comUSN-1522-1http://www.ubuntu.com/usn/USN-1522-1
- git.kernel.orghttp://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169
- www.debian.orgDSA-2545http://www.debian.org/security/2012/dsa-2545
07 Fixed in
Debian 12
- qemu Fixed in 1.1.0+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1.1.0+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1.1.0+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.