Ubuntu 3399-1: cvs vulnerability

    Date21 Aug 2017
    CategoryUbuntu
    45
    Posted ByLinuxSecurity Advisories
    cvs could be made run programs as your login if it opened a specially crafted cvs repository.
    ==========================================================================
    Ubuntu Security Notice USN-3399-1
    August 21, 2017
    
    cvs vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 17.04
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    cvs could be made run programs as your login if it opened a
    specially crafted cvs repository.
    
    Software Description:
    - cvs: Concurrent Versions System
    
    Details:
    
    Hank Leininger discovered that cvs did not properly handle SSH
    for remote repositories. A remote attacker could use this to
    construct a cvs repository that when accessed could run arbitrary
    code with the privileges of the user.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 17.04:
      cvs                             2:1.12.13+real-22ubuntu0.1
    
    Ubuntu 16.04 LTS:
      cvs                             2:1.12.13+real-15ubuntu0.1
    
    Ubuntu 14.04 LTS:
      cvs                             2:1.12.13+real-12ubuntu0.1
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://www.ubuntu.com/usn/usn-3399-1
      CVE-2017-12836
    
    Package Information:
      https://launchpad.net/ubuntu/+source/cvs/2:1.12.13+real-22ubuntu0.1
      https://launchpad.net/ubuntu/+source/cvs/2:1.12.13+real-15ubuntu0.1
      https://launchpad.net/ubuntu/+source/cvs/2:1.12.13+real-12ubuntu0.1
    
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