1. Ubuntu Security Notices
  2. USN-2926-1

USN-2926-1: OTR vulnerability

Publication date

10 March 2016

Overview

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

Releases

Packages

  • 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.

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

After a standard system update you need to restart OTR applications 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
12.04 precise libotr2 –  3.2.0-4ubuntu0.3

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 ›