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Ubuntu Security Notice USN-2343-1

Ubuntu Security Notice USN-2343-1
Posted Sep 11, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2343-1 - 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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2014-1544
SHA-256 | 49306aadb794c2b489013336e93c2da224228735ef3f3bda3d06f7c656dfdae6

Ubuntu Security Notice USN-2343-1

Change Mirror Download
============================================================================
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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