========================================================================== Ubuntu Security Notice USN-1541-1 August 16, 2012
A security issue affects these releases of Ubuntu and its derivatives:
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
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.
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
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