What’s Vulnerable › Vulnerabilities

CVE-2011-4028

• Severity: low (CVSS 1.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-07-03 · updated 2026-06-16
• Weakness: CWE-59

Description

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.

Affected products

• xorg-x11-server: through 1.11.1; 1.11.0

References

• http://cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34
• http://lists.freedesktop.org/archives/xorg/2011-October/053680.html
• http://rhn.redhat.com/errata/RHSA-2012-0939.html
• http://secunia.com/advisories/46460
• http://secunia.com/advisories/49579
• http://cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34
• http://lists.freedesktop.org/archives/xorg/2011-October/053680.html
• http://rhn.redhat.com/errata/RHSA-2012-0939.html
• http://secunia.com/advisories/46460
• http://secunia.com/advisories/49579

Get alerted when CVE-2011-4028 or the next vulnerability affects your stack