[USN-2360-2] Thunderbird vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-2360-2
September 24, 2014

thunderbird vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Fraudulent security certificates could allow sensitive information to
be exposed when accessing the Internet.

Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

USN-2360-1 fixed vulnerabilities in Firefox. This update provides the
corresponding updates for Thunderbird.

Original advisory details:

Antoine Delignat-Lavaud and others discovered that NSS incorrectly handled
parsing ASN.1 values. An attacker could use this issue to forge RSA
certificates.

Update instructions:

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

Ubuntu 14.04 LTS:
thunderbird 1:31.1.2+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
thunderbird 1:31.1.2+build1-0ubuntu0.12.04.1

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

References:
http://www.ubuntu.com/usn/usn-2360-2
http://www.ubuntu.com/usn/usn-2360-1
CVE-2014-1568

Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/1:31.1.2+build1-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:31.1.2+build1-0ubuntu0.12.04.1