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Ubuntu Security Notice USN-1665-1
December 13, 2012

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

- Ubuntu 12.10

Summary:

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

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

Details:

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 versions:

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

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

References:
  http://www.ubuntu.com/usn/usn-1665-1
  CVE-2012-0958

Package Information:

https://launchpad.net/ubuntu/+source/unity-firefox-extension/2.4.1-0ubuntu1.2