USN-1747-1: Transmission vulnerability

25 February 2013

transmission vulnerability

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

  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 11.10


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

Software Description

  • transmission - lightweight BitTorrent client


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

To update your system, please follow these instructions:

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