1. Ubuntu Security Notices
  2. USN-1687-1

USN-1687-1: NSS vulnerability

Publication date

14 January 2013

Overview

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

Releases

Packages

  • nss - Network Security Service library

Details

Two intermediate CA certificates were mis-issued by the TURKTRUST
certificate authority. If a remote attacker were able to perform a
machine-in-the-middle attack, this flaw could be exploited to view sensitive
information.

Two intermediate CA certificates were mis-issued by the TURKTRUST
certificate authority. If a remote attacker were able to perform a
machine-in-the-middle attack, this flaw could be exploited to view sensitive
information.

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
12.10 quantal libnss3-1d –  3.14.1-0ckbi1.93ubuntu.0.12.10.1
12.04 precise libnss3-1d –  3.14.1-0ckbi1.93ubuntu.0.12.04.1
11.10 oneiric libnss3-1d –  3.14.1-0ckbi1.93ubuntu.0.11.10.1
10.04 lucid libnss3-1d –  3.14.1-0ckbi1.93ubuntu.0.10.04.1

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.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›