Ubuntu 4172-2: file vulnerability

    Date31 Oct 2019
    CategoryUbuntu
    50
    Posted ByLinuxSecurity Advisories
    file could be made to crash or run programs if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-4172-2
    October 31, 2019
    
    file vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    file could be made to crash or run programs if it opened a specially
    crafted file.
    
    Software Description:
    - file: Tool to determine file types
    
    Details:
    
    USN-4172-1 fixed a vulnerability in file. This update provides
    the corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     It was discovered that file incorrectly handled certain malformed files. An
     attacker could use this issue to cause a denial of service, or possibly
     execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      file                            1:5.14-2ubuntu3.4+esm1
      libmagic1                       1:5.14-2ubuntu3.4+esm1
    
    Ubuntu 12.04 ESM:
      file                            5.09-2ubuntu0.8
      libmagic1                       5.09-2ubuntu0.8
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4172-2
      https://usn.ubuntu.com/4172-1
      CVE-2019-18218
    
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