Ubuntu 1155-1: NBD vulnerability

    Date21 Jun 2011
    CategoryUbuntu
    58
    Posted ByLinuxSecurity Advisories
    An attacker could send crafted input to NBD and cause it to crash or to run arbitrary programs.
    ==========================================================================
    Ubuntu Security Notice USN-1155-1
    June 21, 2011
    
    nbd vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 10.10
    - Ubuntu 10.04 LTS
    - Ubuntu 8.04 LTS
    
    Summary:
    
    An attacker could send crafted input to NBD and cause it to crash or to run
    arbitrary programs.
    
    Software Description:
    - nbd: Network Block Device protocol
    
    Details:
    
    It was discovered that NBD incorrectly handled certain long requests. A
    remote attacker could use this flaw to cause NBD to crash, resulting in
    a denial of service, or possibly execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 10.10:
      nbd-server                      1:2.9.14-2ubuntu1.10.10.1
    
    Ubuntu 10.04 LTS:
      nbd-server                      1:2.9.14-2ubuntu1.10.04.1
    
    Ubuntu 8.04 LTS:
      nbd-server                      1:2.9.9-1ubuntu1.1
    
    After a standard system update you need to restart NBD to make all the
    necessary changes.
    
    References:
      CVE-2011-0530
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nbd/1:2.9.14-2ubuntu1.10.10.1
      https://launchpad.net/ubuntu/+source/nbd/1:2.9.14-2ubuntu1.10.04.1
      https://launchpad.net/ubuntu/+source/nbd/1:2.9.9-1ubuntu1.1
    
    
    
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