SB2012090611 - Input validation error in Freedesktop X.Org
Published: September 6, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012090611
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2010-4818)
The vulnerability allows a remote #AU# to execute arbitrary code.
The GLX extension in X.Org xserver 1.7.7 allows remote authenticated users to cause a denial of service (server crash) and possibly execute arbitrary code via (1) a crafted request that triggers a client swap in glx/glxcmdsswap.c; or (2) a crafted length or (3) a negative value in the screen field in a request to glx/glxcmds.c.
Remediation
Install update from vendor's website.
References
- http://cgit.freedesktop.org/xorg/xserver/commit?id=3f0d3f4d97bce75c1828635c322b6560a45a037f
- http://cgit.freedesktop.org/xorg/xserver/commit?id=6c69235a9dfc52e4b4e47630ff4bab1a820eb543
- http://cgit.freedesktop.org/xorg/xserver/commit?id=ec9c97c6bf70b523bc500bd3adf62176f1bb33a4
- http://rhn.redhat.com/errata/RHSA-2011-1359.html
- http://rhn.redhat.com/errata/RHSA-2011-1360.html
- http://www.openwall.com/lists/oss-security/2011/09/22/7
- http://www.openwall.com/lists/oss-security/2011/09/23/4
- http://www.openwall.com/lists/oss-security/2011/09/23/6
- https://bugs.freedesktop.org/show_bug.cgi?id=28823
- https://bugzilla.redhat.com/show_bug.cgi?id=740954