Ubuntu 1541-1: libotr vulnerability

    Date16 Aug 2012
    CategoryUbuntu
    36
    Posted ByLinuxSecurity Advisories
    Applications using Off-the-Record messaging plugins could be madeto crash or run programs if it received specially crafted networkmessages.
    ==========================================================================
    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
    
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