Content-Disposition: inline ==========================================================================Ubuntu Security Notice USN-1541-1 August 16, 2012 libotr vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.04 LTS Summary: Applications using Off-the-Record messaging plugins could be made to crash or run programs if it received specially crafted network messages. Software Description: - 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: libotr2 3.2.0-4ubuntu0.1 Ubuntu 11.10: libotr2 3.2.0-2.1ubuntu0.1 Ubuntu 11.04: libotr2 3.2.0-2ubuntu1.1 Ubuntu 10.04 LTS: libotr2 3.2.0-2ubuntu0.1 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. References: http://www.ubuntu.com/usn/usn-1541-1 CVE-2012-3461 Package Information: https://launchpad.net/ubuntu/+source/libotr/3.2.0-4ubuntu0.1 https://launchpad.net/ubuntu/+source/libotr/3.2.0-2.1ubuntu0.1 https://launchpad.net/ubuntu/+source/libotr/3.2.0-2ubuntu1.1 https://launchpad.net/ubuntu/+source/libotr/3.2.0-2ubuntu0.1