USN-2091-1: OTR vulnerabilities

29 January 2014

Applications using the OTR secure chat protocol could be made to expose sensitive information over the network.

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.

Releases

This update disables the OTR v1 protocol to prevent protocol downgrade
attacks.

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.

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

After a standard system update you need to restart OTR applications to
make all the necessary changes.

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.