USN-2063-1: NSS vulnerability

Publication date

20 December 2013

Overview

Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.


Packages

  • nss - Network Security Service library

Details

It was discovered that an intermediate certificate was incorrectly issued
by a subordinate certificate authority of a trusted CA included in NSS.
This intermediate certificate could be used in a machine-in-the-middle attack,
and has such been marked as untrusted in this update.

It was discovered that an intermediate certificate was incorrectly issued
by a subordinate certificate authority of a trusted CA included in NSS.
This intermediate certificate could be used in a machine-in-the-middle attack,
and has such been marked as untrusted in this update.

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 –  2:3.15.3.1-0ubuntu0.13.10.1
13.04 raring libnss3 –  2:3.15.3.1-0ubuntu0.13.04.1
12.10 quantal libnss3 –  3.15.3.1-0ubuntu0.12.10.1
12.04 precise libnss3 –  3.15.3.1-0ubuntu0.12.04.1
10.04 lucid libnss3-1d –  3.15.3.1-0ubuntu0.10.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›