Ubuntu 2091-1: OTR vulnerabilities

    Date30 Jan 2014
    CategoryUbuntu
    40
    Posted ByLinuxSecurity Advisories
    Applications using the OTR secure chat protocol could be made to exposesensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-2091-1
    January 29, 2014
    
    libotr vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Applications using the OTR secure chat protocol could be made to expose
    sensitive information over the network.
    
    Software Description:
    - libotr: Off-the-Record Messaging library
    
    Details:
    
    This update disables the OTR v1 protocol to prevent protocol downgrade
    attacks.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      libotr2                         3.2.0-4ubuntu0.2
    
    After a standard system update you need to restart OTR applications to
    make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2091-1
      https://launchpad.net/bugs/1266016
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libotr/3.2.0-4ubuntu0.2
    
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