USN-537-1: gnome-screensaver vulnerability

23 October 2007

gnome-screensaver vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 7.10

Software Description

  • gnome-screensaver

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
gnome-screensaver - 2.20.0-0ubuntu4.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References