Ubuntu 3148-1: Ghostscript vulnerabilities

    Date01 Dec 2016
    CategoryUbuntu
    49
    Posted ByLinuxSecurity Advisories
    Ghostscript could be made to crash, run programs, or disclose sensitiveinformation if it processed a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-3148-1
    December 02, 2016
    
    ghostscript vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.10
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Ghostscript could be made to crash, run programs, or disclose sensitive
    information if it processed a specially crafted file.
    
    Software Description:
    - ghostscript: PostScript and PDF interpreter
    
    Details:
    
    Tavis Ormandy discovered multiple vulnerabilities in the way that Ghostscript
    processes certain Postscript files. If a user or automated system were tricked
    into opening a specially crafted file, an attacker could cause a denial of
    service or possibly execute arbitrary code. (CVE-2016-7976, CVE-2016-7978,
    CVE-2016-7979, CVE-2016-8602)
    
    Multiple vulnerabilities were discovered in Ghostscript related to information
    disclosure. If a user or automated system were tricked into opening a specially
    crafted file, an attacker could expose sensitive data. (CVE-2013-5653,
    CVE-2016-7977)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.10:
      ghostscript                     9.19~dfsg+1-0ubuntu6.2
      ghostscript-x                   9.19~dfsg+1-0ubuntu6.2
      libgs9                          9.19~dfsg+1-0ubuntu6.2
      libgs9-common                   9.19~dfsg+1-0ubuntu6.2
    
    Ubuntu 16.04 LTS:
      ghostscript                     9.18~dfsg~0-0ubuntu2.2
      ghostscript-x                   9.18~dfsg~0-0ubuntu2.2
      libgs9                          9.18~dfsg~0-0ubuntu2.2
      libgs9-common                   9.18~dfsg~0-0ubuntu2.2
    
    Ubuntu 14.04 LTS:
      ghostscript                     9.10~dfsg-0ubuntu10.5
      ghostscript-x                   9.10~dfsg-0ubuntu10.5
      libgs9                          9.10~dfsg-0ubuntu10.5
      libgs9-common                   9.10~dfsg-0ubuntu10.5
    
    Ubuntu 12.04 LTS:
      ghostscript                     9.05~dfsg-0ubuntu4.4
      ghostscript-x                   9.05~dfsg-0ubuntu4.4
      libgs9                          9.05~dfsg-0ubuntu4.4
      libgs9-common                   9.05~dfsg-0ubuntu4.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3148-1
      CVE-2013-5653, CVE-2016-7976, CVE-2016-7977, CVE-2016-7978,
      CVE-2016-7979, CVE-2016-8602
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ghostscript/9.19~dfsg+1-0ubuntu6.2
      https://launchpad.net/ubuntu/+source/ghostscript/9.18~dfsg~0-0ubuntu2.2
      https://launchpad.net/ubuntu/+source/ghostscript/9.10~dfsg-0ubuntu10.5
      https://launchpad.net/ubuntu/+source/ghostscript/9.05~dfsg-0ubuntu4.4
    
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