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USN-1169-1: APT vulnerability

13 July 2011

An attacker could trick APT into installing altered packages.



  • apt - Advanced front-end for dpkg


William Grant discovered that APT incorrectly validated inline GPG
signatures. 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 11.04

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