Ubuntu 2025-1: Libav vulnerabilities

    Date11 Nov 2013
    CategoryUbuntu
    66
    Posted ByLinuxSecurity Advisories
    Libav could be made to crash or run programs as your login if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-2025-1
    November 11, 2013
    
    libav vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.10
    - Ubuntu 13.04
    - Ubuntu 12.10
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Libav could be made to crash or run programs as your login if it opened a
    specially crafted file.
    
    Software Description:
    - libav: Multimedia player, server, encoder and transcoder
    
    Details:
    
    It was discovered that Libav incorrectly handled certain malformed media
    files. If a user were tricked into opening a crafted media file, an
    attacker could cause a denial of service via application crash, or possibly
    execute arbitrary code with the privileges of the user invoking the
    program.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.10:
      libavcodec53                    6:0.8.9-0ubuntu0.13.10.1
      libavformat53                   6:0.8.9-0ubuntu0.13.10.1
    
    Ubuntu 13.04:
      libavcodec53                    6:0.8.9-0ubuntu0.13.04.1
      libavformat53                   6:0.8.9-0ubuntu0.13.04.1
    
    Ubuntu 12.10:
      libavcodec53                    6:0.8.9-0ubuntu0.12.10.1
      libavformat53                   6:0.8.9-0ubuntu0.12.10.1
    
    Ubuntu 12.04 LTS:
      libavcodec53                    4:0.8.9-0ubuntu0.12.04.1
      libavformat53                   4:0.8.9-0ubuntu0.12.04.1
    
    This update uses a new upstream release, which includes additional bug
    fixes. In general, a standard system update will make all the necessary
    changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2025-1
      https://launchpad.net/bugs/1249621
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libav/6:0.8.9-0ubuntu0.13.10.1
      https://launchpad.net/ubuntu/+source/libav/6:0.8.9-0ubuntu0.13.04.1
      https://launchpad.net/ubuntu/+source/libav/6:0.8.9-0ubuntu0.12.10.1
      https://launchpad.net/ubuntu/+source/libav/4:0.8.9-0ubuntu0.12.04.1
    
    
    
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