USN-2159-1: NSS vulnerability

Publication date

2 April 2014

Overview

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


Packages

  • nss - Network Security Service library

Details

It was discovered that NSS incorrectly handled wildcard certificates when
used with internationalized domain names. If a remote attacker were able to
perform a machine-in-the-middle attack, this flaw could be exploited to spoof
SSL servers.

It was discovered that NSS incorrectly handled wildcard certificates when
used with internationalized domain names. If a remote attacker were able to
perform a machine-in-the-middle attack, this flaw could be exploited to spoof
SSL servers.

Update instructions

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.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
13.10 saucy libnss3 –  2:3.15.4-0ubuntu0.13.10.2
12.10 quantal libnss3 –  3.15.4-0ubuntu0.12.10.2
12.04 precise libnss3 –  3.15.4-0ubuntu0.12.04.2
10.04 lucid libnss3-1d –  3.15.4-0ubuntu0.10.04.2

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