USN-3156-1: APT vulnerability
Ubuntu Security Notice USN-3156-1
13th December, 2016
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
An attacker could trick APT into installing altered packages.
- apt - Advanced front-end for dpkg
Jann Horn discovered that APT incorrectly handled InRelease files.
If a remote attacker were able to perform a man-in-the-middle attack, this
flaw could potentially be used to install altered packages.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 16.10:
- apt 1.3.2ubuntu0.1
- Ubuntu 16.04 LTS:
- apt 1.2.15ubuntu0.2
- Ubuntu 14.04 LTS:
- apt 1.0.1ubuntu2.17
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.