Ubuntu 3728-1: libmspack vulnerabilities

    Date01 Aug 2018
    CategoryUbuntu
    2125
    Posted ByAnthony Pell
    Several security issues were fixed in libmspack.
    ==========================================================================
    Ubuntu Security Notice USN-3728-1
    August 01, 2018
    
    libmspack vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Several security issues were fixed in libmspack.
    
    Software Description:
    - libmspack: library for Microsoft compression formats
    
    Details:
    
    Hanno Böck discovered that libmspack incorrectly handled certain CHM
    files. An attacker could possibly use this issue to cause a denial of
    service. (CVE-2018-14679, CVE-2018-14680)
    
    Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ
    files. An attacker could possibly use this issue to execute arbitrary
    code. (CVE-2018-14681)
    
    Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM
    files. An attacker could possibly use this issue to execute arbitrary
    code. (CVE-2018-14682)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      libmspack0                      0.6-3ubuntu0.1
    
    Ubuntu 16.04 LTS:
      libmspack0                      0.5-1ubuntu0.16.04.2
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3728-1
      CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libmspack/0.6-3ubuntu0.1
      https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.16.04.2
    
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