USN-1665-1: unity-firefox-extension vulnerability

Ubuntu Security Notice USN-1665-1

13th December, 2012

unity-firefox-extension vulnerability

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

  • Ubuntu 12.10


unity-firefox-extension could be made to expose sensitive information over the network.

Software description

  • unity-firefox-extension - Firefox extension: Unity Integration


It was discovered that unity-firefox-extension bypassed the same origin
policy checks in certain circumstances. If a user were tricked into opening
a malicious page, an attacker could exploit this to steal confidential data
or perform other security-sensitive operations.

Update instructions

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

Ubuntu 12.10:
xul-ext-unity 2.4.1-0ubuntu1.2

To update your system, please follow these instructions:

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