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USN-537-2: Compiz vulnerability

2 November 2007

Compiz vulnerability




USN-537-1 fixed vulnerabilities in gnome-screensaver. The fixes were
incomplete, and only reduced the scope of the vulnerability, without
fully solving it. This update fixes related problems in compiz.

Original advisory details:

Jens Askengren discovered that gnome-screensaver became confused when
running under Compiz, and could lose keyboard lock focus. A local attacker
could exploit this to bypass the user's locked screen saver.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 7.10

After a standard system upgrade you need to restart your session to effect
the necessary changes.


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