[USN-1142-1] GDM vulnerability
jamie at canonical.com
Wed Jun 1 20:22:55 UTC 2011
Ubuntu Security Notice USN-1142-1
June 01, 2011
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.04
GDM could be made to launch a browser and leak information about the system.
- gdm: GNOME Display Manager
Henne Vogelsang discovered that under certain PolicyKit configurations, GDM
could be made to launch a browser. A local attacker could exploit this to
gain access to files with the privileges of the gdm user. PolicyKit is not
configured in this manner in Ubuntu by default.
The problem can be corrected by updating your system to the following
After a standard system update you need to reboot your computer to make
all the necessary changes.
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