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    Ubuntu 4562-1: kramdown vulnerability

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    kramdown could be made to crash, run programs, or leak sensitive information if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-4562-1
    September 30, 2020
    
    ruby-kramdown vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    
    Summary:
    
    kramdown could be made to crash, run programs, or leak sensitive information if
    it opened a specially crafted file.
    
    Software Description:
    - ruby-kramdown: Fast, pure-Ruby Markdown-superset converter - ruby library
    
    Details:
    
    It was discovered that kramdown insecurely handled certain crafted input.
    An attacker could use this vulnerability to read restricted files or
    execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      kramdown                        1.17.0-4ubuntu0.1
      ruby-kramdown                   1.17.0-4ubuntu0.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4562-1
      CVE-2020-14001
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ruby-kramdown/1.17.0-4ubuntu0.1
    
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