First published: Tue Jul 03 2012(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
X.org X.org | =1.11.0 | |
X.org X.org | <=1.11.1 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2011-4028 is classified as a medium severity vulnerability due to its potential for local file information disclosure.
To fix CVE-2011-4028, update X.Org xserver to version 1.11.2 or later, where the vulnerability has been addressed.
CVE-2011-4028 affects local users of X.Org xserver versions 1.11.0 through 1.11.1.
CVE-2011-4028 enables a symlink attack that can allow local users to determine the existence of arbitrary files.
The vulnerability is involved in the LockServer function within the os/utils.c file of the X.Org xserver.