[USN-2091-1] OTR vulnerabilities

Type securityvulns
Reporter Securityvulns
Modified 2014-02-01T00:00:00


========================================================================== Ubuntu Security Notice USN-2091-1 January 29, 2014

libotr vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 LTS


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

Software Description: - libotr: Off-the-Record Messaging library


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

Update instructions:

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

Ubuntu 12.04 LTS: libotr2 3.2.0-4ubuntu0.2

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

References: http://www.ubuntu.com/usn/usn-2091-1 https://launchpad.net/bugs/1266016

Package Information: https://launchpad.net/ubuntu/+source/libotr/3.2.0-4ubuntu0.2

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