1. Ubuntu Security Notices
  2. USN-1541-1

USN-1541-1: libotr vulnerability

Publication date

16 August 2012

Overview

Applications using Off-the-Record messaging plugins could be made to crash or run programs if it received specially crafted network messages.

Releases

Packages

  • libotr - Off-the-Record Messaging library

Details

Justin Ferguson discovered multiple heap overflows in libotr. A remote
attacker could use this to craft a malformed OTR message that could
cause a denial of service via application crash or possibly execute
arbitrary code.

Justin Ferguson discovered multiple heap overflows in libotr. A remote
attacker could use this to craft a malformed OTR message that could
cause a denial of service via application crash or possibly execute
arbitrary code.

Update instructions

After a standard system update you need to restart any instant messaging applications using an Off-the-Record messaging plugin 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 –  3.2.0-4ubuntu0.1
11.10 oneiric libotr2 –  3.2.0-2.1ubuntu0.1
11.04 natty libotr2 –  3.2.0-2ubuntu1.1
10.04 lucid libotr2 –  3.2.0-2ubuntu0.1

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References

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