5.8 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
5.1%
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.
cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34
lists.freedesktop.org/archives/xorg/2011-October/053680.html
rhn.redhat.com/errata/RHSA-2012-0939.html
secunia.com/advisories/46460
secunia.com/advisories/49579