[USN-1399-1] gdm-guest-session vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Tue Mar 13 13:49:16 UTC 2012

Ubuntu Security Notice USN-1399-1
March 13, 2012

gdm-guest-session vulnerability

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

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS


gdm-guest-session could be made to delete files as the administrator.

Software Description:
- gdm-guest-session: gdm extension for guest session


Ryan Lortie discovered that gdm-guest-session improperly cleaned out
certain guest session files. A local attacker could use this issue to
delete arbitrary files.

Update instructions:

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

Ubuntu 11.04:
  gdm-guest-session               0.24ubuntu0.1

Ubuntu 10.10:
  gdm-guest-session               0.17ubuntu0.1

Ubuntu 10.04 LTS:
  gdm-guest-session               0.15ubuntu0.1

In general, a standard system update will make all the necessary changes.


Package Information:

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