Ubuntu 4105-1: CUPS vulnerabilities

    Date20 Aug 2019
    CategoryUbuntu
    2934
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in CUPS.
    ==========================================================================
    Ubuntu Security Notice USN-4105-1
    August 20, 2019
    
    cups vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Several security issues were fixed in CUPS.
    
    Software Description:
    - cups: Common UNIX Printing System(tm)
    
    Details:
    
    Stephan Zeisberg discovered that the CUPS SNMP backend incorrectly handled
    encoded ASN.1 inputs. A remote attacker could possibly use this issue to
    cause CUPS to crash by providing specially crafted network
    traffic. (CVE-2019-8696, CVE-2019-8675)
    
    It was discovered that CUPS did not properly handle client disconnection
    events. A local attacker could possibly use this issue to cause a denial of
    service or disclose memory from the CUPS server.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.04:
      cups                            2.2.10-4ubuntu2.1
    
    Ubuntu 18.04 LTS:
      cups                            2.2.7-1ubuntu2.7
    
    Ubuntu 16.04 LTS:
      cups                            2.1.3-4ubuntu0.10
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4105-1
      CVE-2019-8675, CVE-2019-8696
    
    Package Information:
      https://launchpad.net/ubuntu/+source/cups/2.2.10-4ubuntu2.1
      https://launchpad.net/ubuntu/+source/cups/2.2.7-1ubuntu2.7
      https://launchpad.net/ubuntu/+source/cups/2.1.3-4ubuntu0.10
    
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