Ubuntu 3913-1: P7ZIP vulnerabilities

    Date21 Mar 2019
    CategoryUbuntu
    2676
    Posted ByLinuxSecurity Advisories
    p7zip could be made to crash or run programs as your login if it opened a specially crafted file.
    
    ==========================================================================
    Ubuntu Security Notice USN-3913-1
    March 21, 2019
    
    p7zip vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    
    Summary:
    
    p7zip could be made to crash or run programs as your login if it
    opened a specially crafted file.
    
    Software Description:
    - p7zip: 7z file archiver with high compression ratio
    
    Details:
    
    It was discovered that p7zip did not correctly handle certain malformed
    archives. If a user or automated system were tricked into processing a specially
    crafted archive with p7zip, then p7zip could be made to crash, possibly leading
    to abitrary code execution.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      p7zip                           9.20.1~dfsg.1-4.2ubuntu0.1
      p7zip-full                      9.20.1~dfsg.1-4.2ubuntu0.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3913-1
      CVE-2016-2335, CVE-2017-17969
    
    Package Information:
      https://launchpad.net/ubuntu/+source/p7zip/9.20.1~dfsg.1-4.2ubuntu0.1
    
    
    
    
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