USN-4051-1: Apport vulnerability

9 July 2019

apport vulnerability

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

  • Ubuntu 19.04
  • Ubuntu 18.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS

Summary

Apport could be made to expose sensitive information in crash reports.

Software Description

  • apport - automatically generate crash reports for debugging

Details

Kevin Backhouse discovered a race-condition when reading the user’s local Apport configuration. This could be used by a local attacker to cause Apport to include arbitrary files in a resulting crash report.

Update instructions

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

Ubuntu 19.04
python-apport - 2.20.10-0ubuntu27.1
python3-apport - 2.20.10-0ubuntu27.1
Ubuntu 18.10
python-apport - 2.20.10-0ubuntu13.4
python3-apport - 2.20.10-0ubuntu13.4
Ubuntu 18.04 LTS
python-apport - 2.20.9-0ubuntu7.7
python3-apport - 2.20.9-0ubuntu7.7
Ubuntu 16.04 LTS
python-apport - 2.20.1-0ubuntu2.19
python3-apport - 2.20.1-0ubuntu2.19

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