USN-2088-1: NSS vulnerability

Publication date

23 January 2014

Overview

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


Packages

  • 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 machine-in-the-middle
attack, this flaw could be exploited to spoof SSL servers.

Brian Smith discovered that NSS incorrectly handled the TLS False Start
feature. 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 –  2:3.15.4-0ubuntu0.13.10.1
12.10 quantal libnss3 –  3.15.4-0ubuntu0.12.10.1
12.04 precise libnss3 –  3.15.4-0ubuntu0.12.04.1
10.04 lucid libnss3-1d –  3.15.4-0ubuntu0.10.04.1

Reduce your security exposure

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Have additional questions?

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