[USN-2343-1] NSS vulnerability

[Marc Deslauriers]

==========================================================================
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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