USN-3863-2: APT vulnerability

22 January 2019

An attacker could trick APT into installing altered packages.



  • apt - Advanced front-end for dpkg


USN-3863-1 fixed a vulnerability in APT. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Max Justicz discovered that APT incorrectly handled certain parameters
during redirects. If a remote attacker were able to perform a
man-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 12.04

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


Related notices

  • USN-3863-1: libapt-inst2.0, libapt-inst1.5, libapt-pkg5.0, apt-doc, apt-transport-https, libapt-pkg-dev, apt, libapt-pkg4.12, libapt-pkg-doc, apt-utils