Ubuntu Security Notice USN-1169-1
July 13, 2011
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.04
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 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
In general, a standard system update will make all the necessary changes.