USN-2926-1: OTR vulnerability

Ubuntu Security Notice USN-2926-1

10th March, 2016

libotr vulnerability

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

• Ubuntu 12.04 LTS

Summary

OTR could be made to crash or run programs if it received specially crafted network traffic.

Software description

• libotr - Off-the-Record Messaging library

Details

Markus Vervier discovered that OTR incorrectly handled large incoming
messages. A remote attacker could use this issue to cause OTR to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 12.04 LTS:

libotr2 3.2.0-4ubuntu0.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2016-2851