Ubuntu 3346-1: bind9 vulnerabilities

    Date29 Jun 2017
    CategoryUbuntu
    37
    Posted ByLinuxSecurity Advisories
    Bind could be made to serve incorrect information or expose sensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-3346-1
    June 29, 2017
    
    bind9 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 17.04
    - Ubuntu 16.10
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Bind could be made to serve incorrect information or expose sensitive
    information over the network.
    
    Software Description:
    - bind9: Internet Domain Name Server
    
    Details:
    
    Clément Berthaux discovered that Bind did not correctly check TSIG
    authentication for zone update requests. An attacker could use this
    to improperly perform zone updates. (CVE-2017-3143)
    
    Clément Berthaux discovered that Bind did not correctly check TSIG
    authentication for zone transfer requests. An attacker could use this
    to improperly transfer entire zones. (CVE-2017-3142)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 17.04:
      bind9                           1:9.10.3.dfsg.P4-10.1ubuntu5.1
    
    Ubuntu 16.10:
      bind9                           1:9.10.3.dfsg.P4-10.1ubuntu1.7
    
    Ubuntu 16.04 LTS:
      bind9                           1:9.10.3.dfsg.P4-8ubuntu1.7
    
    Ubuntu 14.04 LTS:
      bind9                           1:9.9.5.dfsg-3ubuntu0.15
    
    After a standard system update you need to restart Bind to make
    all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-3346-1
      CVE-2017-3142, CVE-2017-3143
    
    Package Information:
      https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu5.1
      https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu1.7
      https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.7
      https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.15
    
    
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