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Ubuntu Security Notice USN-2088-1
January 23, 2014

nss vulnerability
==========================================================================

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

– Ubuntu 13.10
– Ubuntu 12.10
– Ubuntu 12.04 LTS
– Ubuntu 10.04 LTS

Summary:

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

Software Description:
– nss: Network Security Service library

Details:

Brian Smith discovered that NSS incorrectly handled the TLS False Start
feature. If a remote attacker were able to perform a man-in-the-middle
attack, this flaw could be exploited to spoof SSL servers.

Update instructions:

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

Ubuntu 13.10:
libnss3 2:3.15.4-0ubuntu0.13.10.1

Ubuntu 12.10:
libnss3 3.15.4-0ubuntu0.12.10.1

Ubuntu 12.04 LTS:
libnss3 3.15.4-0ubuntu0.12.04.1

Ubuntu 10.04 LTS:
libnss3-1d 3.15.4-0ubuntu0.10.04.1

After a standard system update you need to restart any applications that
use NSS, such as Evolution and Chromium, to make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2088-1
CVE-2013-1740

Package Information:
https://launchpad.net/ubuntu/+source/nss/2:3.15.4-0ubuntu0.13.10.1
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.12.04.1
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.10.04.1

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