Ubuntu 3172-1: Bind vulnerabilities

    Date12 Jan 2017
    CategoryUbuntu
    35
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Bind.
    ==========================================================================
    Ubuntu Security Notice USN-3172-1
    January 12, 2017
    
    bind9 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:
    
    Several security issues were fixed in Bind.
    
    Software Description:
    - bind9: Internet Domain Name Server
    
    Details:
    
    It was discovered that Bind incorrectly handled certain malformed responses
    to an ANY query. A remote attacker could possibly use this issue to cause
    Bind to crash, resulting in a denial of service. (CVE-2016-9131)
    
    It was discovered that Bind incorrectly handled certain malformed responses
    to an ANY query. A remote attacker could possibly use this issue to cause
    Bind to crash, resulting in a denial of service. (CVE-2016-9147)
    
    It was discovered that Bind incorrectly handled certain malformed DS record
    responses. A remote attacker could possibly use this issue to cause Bind to
    crash, resulting in a denial of service. This issue only affected Ubuntu
    14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-9444)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.10:
      bind9                           1:9.10.3.dfsg.P4-10.1ubuntu1.2
    
    Ubuntu 16.04 LTS:
      bind9                           1:9.10.3.dfsg.P4-8ubuntu1.4
    
    Ubuntu 14.04 LTS:
      bind9                           1:9.9.5.dfsg-3ubuntu0.11
    
    Ubuntu 12.04 LTS:
      bind9                           1:9.8.1.dfsg.P1-4ubuntu0.20
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3172-1
      CVE-2016-9131, CVE-2016-9147, CVE-2016-9444
    
    Package Information:
      https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu1.2
      https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.4
      https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.11
      https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.20
    
    
    
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