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USN-3156-1: APT vulnerability

13 December 2016

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 machine-in-the-middle attack, this
flaw could potentially be used to install altered packages.

Update instructions

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

Ubuntu 16.10
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.