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Ubuntu Security Notice USN-2343-1
September 09, 2014

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

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

– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS
– Ubuntu 10.04 LTS

Summary:

NSS could be made to crash or run programs as your login if it processed a
specially crafted certificate.

Software Description:
– nss: Network Security Service library

Details:

Tyson Smith and Jesse Schwartzentruber discovered that NSS contained a race
condition when performing certificate validation. An attacker could use
this issue to cause NSS 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 14.04 LTS:
libnss3 2:3.15.4-1ubuntu7.1

Ubuntu 12.04 LTS:
libnss3 3.15.4-0ubuntu0.12.04.3

Ubuntu 10.04 LTS:
libnss3-1d 3.15.4-0ubuntu0.10.04.3

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-2343-1
CVE-2014-1544

Package Information:
https://launchpad.net/ubuntu/+source/nss/2:3.15.4-1ubuntu7.1
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.12.04.3
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.10.04.3

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