Ubuntu 1518-1: Bind vulnerability

    Date26 Jul 2012
    CategoryUbuntu
    53
    Posted ByLinuxSecurity Advisories
    Bind could be made to crash if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-1518-1
    July 26, 2012
    
    bind9 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 11.04
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Bind could be made to crash if it received specially crafted network
    traffic.
    
    Software Description:
    - bind9: Internet Domain Name Server
    
    Details:
    
    Einar Lonn discovered that Bind incorrectly initialized the failing-query
    cache. A remote attacker could use this flaw 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 12.04 LTS:
      libdns81                        1:9.8.1.dfsg.P1-4ubuntu0.2
    
    Ubuntu 11.10:
      libdns69                        1:9.7.3.dfsg-1ubuntu4.3
    
    Ubuntu 11.04:
      libdns69                        1:9.7.3.dfsg-1ubuntu2.5
    
    Ubuntu 10.04 LTS:
      libdns64                        1:9.7.0.dfsg.P1-1ubuntu0.6
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1518-1
      CVE-2012-3817
    
    Package Information:
      https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.2
      https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu4.3
      https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu2.5
      https://launchpad.net/ubuntu/+source/bind9/1:9.7.0.dfsg.P1-1ubuntu0.6
    
    
    
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