USN-2569-2: Apport vulnerability

16 April 2015

apport vulnerability

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

  • Ubuntu 14.10
  • Ubuntu 14.04 LTS

Summary

Apport could be tricked into running programs as an administrator.

Software Description

  • apport - automatically generate crash reports for debugging

Details

USN-2569-1 fixed a vulnerability in Apport. Tavis Ormandy discovered that the fixed packages were still vulnerable to a privilege escalation attack. This update completely disables crash report handling for containers until a more complete solution is available.

Original advisory details:

St├ęphane Graber and Tavis Ormandy independently discovered that Apport incorrectly handled the crash reporting feature. A local attacker could use this issue to gain elevated privileges.

Update instructions

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

Ubuntu 14.10
apport - 2.14.7-0ubuntu8.4
Ubuntu 14.04 LTS
apport - 2.14.1-0ubuntu3.10

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

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

References