Race Condition Affecting xorg-x11-server-devel package, versions <0:1.10.6-1.el6


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS6-XORGX11SERVERDEVEL-2059599
  • published26 Jul 2021
  • disclosed18 Oct 2011

Introduced: 18 Oct 2011

CVE-2011-4029  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:6 xorg-x11-server-devel to version 0:1.10.6-1.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-devel package and not the xorg-x11-server-devel package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.

CVSS Scores

version 3.1