Ubuntu 3408-1: Liblouis vulnerabilities

    Date04 Sep 2017
    CategoryUbuntu
    85
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Liblouis.
    ==========================================================================
    Ubuntu Security Notice USN-3408-1
    September 04, 2017
    
    liblouis vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 17.04
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Several security issues were fixed in Liblouis.
    
    Software Description:
    - liblouis: Braille translation library - utilities
    
    Details:
    
    It was discovered that an illegal address access can be made in
    Liblouis. A remote attacker can take advantange of this to
    access sensitive information. (CVE-2017-13738, CVE-2017-13744)
    
    It was discovered a heap-based buffer overflow that causes bytes
    out-of-bounds write in Liblouis. A remote attacker can use this to
    denial of service or remote code execution. (CVE-2017-13739)
    
    It was discovered a stack-based buffer overflow in Liblouis. A remote
    attacker can use this to denial of service or possibly unspecified
    other impact. (CVE-2017-13740, CVE-2017-13742)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 17.04:
      liblouis-bin                    3.0.0-3ubuntu0.2
      liblouis12                      3.0.0-3ubuntu0.2
      python-louis                    3.0.0-3ubuntu0.2
      python3-louis                   3.0.0-3ubuntu0.2
    
    Ubuntu 16.04 LTS:
      liblouis-bin                    2.6.4-2ubuntu0.1
      liblouis9                       2.6.4-2ubuntu0.1
      python-louis                    2.6.4-2ubuntu0.1
      python3-louis                   2.6.4-2ubuntu0.1
    
    Ubuntu 14.04 LTS:
      liblouis-bin                    2.5.3-2ubuntu1.1
      liblouis2                       2.5.3-2ubuntu1.1
      python-louis                    2.5.3-2ubuntu1.1
      python3-louis                   2.5.3-2ubuntu1.1
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://www.ubuntu.com/usn/usn-3408-1
      CVE-2017-13738, CVE-2017-13739, CVE-2017-13740, CVE-2017-13742,
      CVE-2017-13744
    
    Package Information:
      https://launchpad.net/ubuntu/+source/liblouis/3.0.0-3ubuntu0.2
      https://launchpad.net/ubuntu/+source/liblouis/2.6.4-2ubuntu0.1
      https://launchpad.net/ubuntu/+source/liblouis/2.5.3-2ubuntu1.1
    
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