VulnerabilityModified
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 attack on an unspecified temporary file.
MEDIUM 4.4EPSS 0.34%
Does this matter?
Lower severity and a low EPSS score (0.34%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.4 MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 0.34% probability · 28th percentile
- CISA KEV
- Not listed
- Affected
- qemu/qemu
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169
- http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log
- 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
- http://www.securityfocus.com/bid/53725
- http://www.ubuntu.com/usn/USN-1522-1
- http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169
- http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log
- 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
- http://www.securityfocus.com/bid/53725
- http://www.ubuntu.com/usn/USN-1522-1
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.