1. Ubuntu Security Notices
  2. USN-1142-1

USN-1142-1: GDM vulnerability

Publication date

1 June 2011

Overview

GDM could be made to launch a browser and leak information about the system.

Releases

Packages

  • gdm - GNOME Display Manager

Details

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.

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.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
11.04 natty gdm –  2.32.1-0ubuntu3.2

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References

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