[USN-1169-1] APT vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Wed Jul 13 17:32:26 UTC 2011

Ubuntu Security Notice USN-1169-1
July 13, 2011

apt vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.04


An attacker could trick APT into installing altered packages.

Software Description:
- 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.

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.


Package Information:

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