Linux Security
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    Linux Security

    Ubuntu 4066-1: libmspack vulnerability

    Date 18 Jul 2019
    2672
    Posted By LinuxSecurity Advisories
    libmspack could be made to expose sensitive information if it received a specially crafted CHM file.
    ==========================================================================
    Ubuntu Security Notice USN-4066-1
    July 18, 2019
    
    libmspack vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    libmspack could be made to expose sensitive information if it received
    a specially crafted CHM file.
    
    Software Description:
    - libmspack: library for Microsoft compression formats
    
    Details:
    
    It was discovered that libmspack incorrectly handled certain CHM files.
    A remote attacker could possibly use this issue to access sensitive information.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      libmspack0                      0.6-3ubuntu0.3
    
    Ubuntu 16.04 LTS:
      libmspack0                      0.5-1ubuntu0.16.04.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4066-1
      CVE-2019-1010305
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libmspack/0.6-3ubuntu0.3
      https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.16.04.4
    

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