USN-3480-3: Apport regression

3 January 2018

apport regression

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

  • Ubuntu 17.10
  • Ubuntu 17.04
  • Ubuntu 16.04 LTS

Summary

USN-3480-2 introduced regressions in Apport.

Software Description

  • apport - automatically generate crash reports for debugging

Details

USN-3480-2 fixed regressions in Apport. The update introduced a new regression in the container support. This update addresses the problem.

We apologize for the inconvenience.

Original advisory details:

Sander Bos discovered that Apport incorrectly handled core dumps for setuid binaries. A local attacker could use this issue to perform a denial of service via resource exhaustion or possibly gain root privileges. (CVE-2017-14177)

Sander Bos discovered that Apport incorrectly handled core dumps for processes in a different PID namespace. A local attacker could use this issue to perform a denial of service via resource exhaustion or possibly gain root privileges. (CVE-2017-14180)

Update instructions

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

Ubuntu 17.10
apport - 2.20.7-0ubuntu3.7
Ubuntu 17.04
apport - 2.20.4-0ubuntu4.10
Ubuntu 16.04 LTS
apport - 2.20.1-0ubuntu2.15

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