Ubuntu 3769-1: Bind vulnerability

    Date20 Sep 2018
    CategoryUbuntu
    3709
    Posted ByAnthony Pell
    Bind could be made to crash if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-3769-1
    September 20, 2018
    
    bind9 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Bind could be made to crash if it received specially crafted network
    traffic.
    
    Software Description:
    - bind9: Internet Domain Name Server
    
    Details:
    
    It was discovered that Bind incorrectly handled the deny-answer-aliases
    feature. If this feature is enabled, a remote attacker could use this issue
    to cause Bind to crash, resulting in a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      bind9                           1:9.11.3+dfsg-1ubuntu1.2
    
    Ubuntu 16.04 LTS:
      bind9                           1:9.10.3.dfsg.P4-8ubuntu1.11
    
    Ubuntu 14.04 LTS:
      bind9                           1:9.9.5.dfsg-3ubuntu0.18
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3769-1
      CVE-2018-5740
    
    Package Information:
      https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.2
      https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.11
      https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.18
    
    
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