USN-1584-1: Transmission vulnerability

26 September 2012

transmission vulnerability

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

  • Ubuntu 12.04 LTS


Transmission could be made to expose sensitive information over the network.

Software Description

  • transmission - lightweight BitTorrent client


Justin C. Klein Keane discovered that the Transmission web client incorrectly escaped certain strings. If a user were tricked into opening a specially crafted torrent file, an attacker could possibly exploit this to conduct cross-site scripting (XSS) attacks.

Update instructions

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

Ubuntu 12.04 LTS
transmission-common - 2.51-0ubuntu1.1

To update your system, please follow these instructions:

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