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Ubuntu Security Notice USN-1584-1
September 26, 2012

transmission vulnerability

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

• Ubuntu 12.04 LTS

Summary:

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

Software Description:

• transmission: lightweight BitTorrent client

Details:

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

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

References:
http://www.ubuntu.com/usn/usn-1584-1
CVE-2012-4037

Package Information:
https://launchpad.net/ubuntu/+source/transmission/2.51-0ubuntu1.1