CVE-2012-2652
qemu - multiple
EPSS 0.07%
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.
How to fix CVE-2012-2652
To remediate CVE-2012-2652, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1.1.0+dfsg-1 or later
- Debian/qemu—upgrade to 0.12.5+dfsg-3squeeze2 or later
- Debian/qemu-kvm—upgrade to 0.12.5+dfsg-5+squeeze9 or later
Is CVE-2012-2652 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.1.0+dfsg-1
- from 0, < 0.12.5+dfsg-3squeeze2
- from 0, < 0.12.5+dfsg-5+squeeze9