Ubuntu Security Notice USN-2569-2
16th 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:
Stéphane 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 version:
- 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.