=========================================================================Ubuntu Security Notice USN-1747-1
February 25, 2013

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

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10

Summary:

Transmission could be made to crash or run programs if it received
specially crafted network traffic.

Software Description:
- transmission: lightweight BitTorrent client

Details:

It was discovered that Transmission incorrectly handled certain micro
transport protocol packets. A remote attacker could use this issue to cause
a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 12.10:
  transmission-common             2.61-0ubuntu2.2

Ubuntu 12.04 LTS:
  transmission-common             2.51-0ubuntu1.3

Ubuntu 11.10:
  transmission-common             2.33-0ubuntu2.1

After a standard system update you need to restart Transmission to make all
the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-1747-1
  CVE-2012-6129

Package Information:
  https://launchpad.net/ubuntu/+source/transmission/2.61-0ubuntu2.2
  https://launchpad.net/ubuntu/+source/transmission/2.51-0ubuntu1.3
  https://launchpad.net/ubuntu/+source/transmission/2.33-0ubuntu2.1