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USN-2127-1: GnuTLS vulnerability

4 March 2014

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

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.

Learn more about Ubuntu Pro

Releases

Packages

Details

Nikos Mavrogiannopoulos discovered that GnuTLS incorrectly handled
certificate verification functions. If a remote attacker were able to
perform a machine-in-the-middle attack, this flaw could be exploited with
specially crafted certificates to view sensitive information.

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 13.10
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 10.04

In general, a standard system update will make all the necessary changes.

References