Articles / Ubuntu: Security update for...

Ubuntu: Security update for Aptdaemon

It was discovered that Aptdaemon incorrectly validated PPA GPG keys when importing from a keyserver. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to install altered package repository GPG keys.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1666-1
December 17, 2012

aptdaemon vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10

Summary:

Aptdaemon could be tricked into installing arbitrary PPA GPG keys.

Software Description:
- aptdaemon: transaction based package management service

Details:

It was discovered that Aptdaemon incorrectly validated PPA GPG keys when
importing from a keyserver. If a remote attacker were able to perform a
man-in-the-middle attack, this flaw could be exploited to install altered
package repository GPG keys.

Update instructions:

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

Ubuntu 12.04 LTS:
 aptdaemon                       0.43+bzr805-0ubuntu7

Ubuntu 11.10:
 aptdaemon                       0.43+bzr697-0ubuntu1.3

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
 http://www.ubuntu.com/usn/usn-1666-1
 CVE-2012-0962

Package Information:
 https://launchpad.net/ubuntu/+source/aptdaemon/0.43+bzr805-0ubuntu7
 https://launchpad.net/ubuntu/+source/aptdaemon/0.43+bzr697-0ubuntu1.3
Screenshot

Project Spotlight

GeoToad

A geocaching query tool.

Screenshot

Project Spotlight

TMSU

An application for tagging your files and navigating them as a virtual filesystem.