=========================================================================Ubuntu Security Notice USN-1639-1
November 22, 2012

unity-firefox-extension vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10

Summary:

unity-firefox-extension could be made to crash or run programs as your
login if it opened a malicious website.

Software Description:
- unity-firefox-extension: Firefox extension: Unity Integration

Details:

It was discovered that unity-firefox-extension incorrectly handled certain
callbacks. A remote attacker could use this issue to cause
unity-firefox-extension to crash, resulting in 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:
  xul-ext-unity                   2.4.1-0ubuntu1.1

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

References:
  
  CVE-2012-0960

Package Information:

https://launchpad.net/ubuntu/+source/unity-firefox-extension/2.4.1-0ubuntu1.1