USN-1414-1: Aptdaemon vulnerability

2 April 2012

aptdaemon vulnerability

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

  • Ubuntu 11.10
  • Ubuntu 11.04


An attacker could trick Aptdaemon into installing altered packages.

Software Description

  • aptdaemon - transaction based package management service


It was discovered that Aptdaemon incorrectly handled installing packages without performing a transaction simulation. An attacker could possibly use this flaw to install altered packages.

Update instructions

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

Ubuntu 11.10
python-aptdaemon - 0.43+bzr697-0ubuntu1.2
Ubuntu 11.04
python-aptdaemon - 0.41+bzr661-0ubuntu0.2

To update your system, please follow these instructions:

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