Ubuntu 3866-1: Ghostscript vulnerability

    Date23 Jan 2019
    CategoryUbuntu
    3399
    Posted ByAnthony Pell
    Ghostscript could be made to crash, access files, or run programs if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-3866-1
    January 23, 2019
    
    ghostscript vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Ghostscript could be made to crash, access files, or run programs if it
    opened a specially crafted file.
    
    Software Description:
    - ghostscript: PostScript and PDF interpreter
    
    Details:
    
    Tavis Ormandy discovered that Ghostscript incorrectly handled certain
    PostScript files. If a user or automated system were tricked into
    processing a specially crafted file, a remote attacker could possibly use
    this issue to access arbitrary files, execute arbitrary code, or cause a
    denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.10:
      ghostscript                     9.26~dfsg+0-0ubuntu0.18.10.4
      libgs9                          9.26~dfsg+0-0ubuntu0.18.10.4
    
    Ubuntu 18.04 LTS:
      ghostscript                     9.26~dfsg+0-0ubuntu0.18.04.4
      libgs9                          9.26~dfsg+0-0ubuntu0.18.04.4
    
    Ubuntu 16.04 LTS:
      ghostscript                     9.26~dfsg+0-0ubuntu0.16.04.4
      libgs9                          9.26~dfsg+0-0ubuntu0.16.04.4
    
    Ubuntu 14.04 LTS:
      ghostscript                     9.26~dfsg+0-0ubuntu0.14.04.4
      libgs9                          9.26~dfsg+0-0ubuntu0.14.04.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3866-1
      CVE-2019-6116
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.10.4
      https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.04.4
      https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.16.04.4
      https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.14.04.4
    
    
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