USN-1398-1: LTSP Display Manager vulnerability

Publication date

12 March 2012

Overview

LTSP Display Manager could be made to run programs as an administrator.


Packages

  • ldm - LTSP display manager

Details

Tenho Tuhkala discovered that the LTSP Display Manager (ldm) incorrectly
filtered keybindings. An attacker could use the default keybindings to
execute arbitrary commands as root at the login screen.

Tenho Tuhkala discovered that the LTSP Display Manager (ldm) incorrectly
filtered keybindings. An attacker could use the default keybindings to
execute arbitrary commands as root at the login screen.

Update instructions

After a standard system update you need to restart the LTSP Display Manager 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
11.10 oneiric ldm –  2:2.2.4-0ubuntu1.1
11.04 natty ldm –  2:2.2.1-0ubuntu1.1

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