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    Ubuntu 4449-1: Apport vulnerabilities

    Date
    118
    Posted By
    Several security issues were fixed in Apport.
    ==========================================================================
    Ubuntu Security Notice USN-4449-1
    August 04, 2020
    
    apport vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Several security issues were fixed in Apport.
    
    Software Description:
    - apport: automatically generate crash reports for debugging
    
    Details:
    
    Ryota Shiga discovered that Apport incorrectly dropped privileges when
    making certain D-Bus calls. A local attacker could use this issue to read
    arbitrary files. (CVE-2020-11936)
    
    Seong-Joong Kim discovered that Apport incorrectly parsed configuration
    files. A local attacker could use this issue to cause Apport to crash,
    resulting in a denial of service. (CVE-2020-15701)
    
    Ryota Shiga discovered that Apport incorrectly implemented certain checks.
    A local attacker could use this issue to escalate privileges and run
    arbitrary code. (CVE-2020-15702)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      apport                          2.20.11-0ubuntu27.6
      python3-apport                  2.20.11-0ubuntu27.6
    
    Ubuntu 18.04 LTS:
      apport                          2.20.9-0ubuntu7.16
      python-apport                   2.20.9-0ubuntu7.16
      python3-apport                  2.20.9-0ubuntu7.16
    
    Ubuntu 16.04 LTS:
      apport                          2.20.1-0ubuntu2.24
      python-apport                   2.20.1-0ubuntu2.24
      python3-apport                  2.20.1-0ubuntu2.24
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4449-1
      CVE-2020-11936, CVE-2020-15701, CVE-2020-15702
    
    Package Information:
      https://launchpad.net/ubuntu/+source/apport/2.20.11-0ubuntu27.6
      https://launchpad.net/ubuntu/+source/apport/2.20.9-0ubuntu7.16
      https://launchpad.net/ubuntu/+source/apport/2.20.1-0ubuntu2.24
    
    

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