USN-3664-2: Apport vulnerability

4 June 2018

apport vulnerability

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

  • Ubuntu 14.04 LTS

Summary

Apport could be tricked into causing a denial of service or escalate privileges.

Software Description

  • apport - automatically generate crash reports for debugging

Details

USN-3664-1 fixed a vulnerability in Apport. Sander Bos reported that Ubuntu 14.04 LTS was also vulnerable to this issue, but was incorrectly omitted from the previous updates. This update provides the corresponding update for Ubuntu 14.04 LTS.

Original advisory details:

Sander Bos discovered that Apport incorrectly handled core dumps when certain files are missing from /proc. A local attacker could possibly use this issue to cause a denial of service, gain root privileges, or escape from containers.

Update instructions

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

Ubuntu 14.04 LTS
apport - 2.14.1-0ubuntu3.29

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