Ubuntu 1305-1: Nova vulnerability

    Date13 Dec 2011
    74
    Posted ByLinuxSecurity Advisories
    Nova could be made to overwrite files.
    ==========================================================================
    Ubuntu Security Notice USN-1305-1
    December 13, 2011
    
    nova vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.10
    
    Summary:
    
    Nova could be made to overwrite files.
    
    Software Description:
    - nova: OpenStack Compute cloud infrastructure
    
    Details:
    
    David Black discovered that Nova did not properly perform input validation
    during image registration. An attacker could exploit this by registering a
    crafted image using the EC2 API or S3/RegisterImage method and overwrite
    files as the nova user.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.10:
      python-nova                     2011.3-0ubuntu6.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1305-1
      CVE-2011-4596
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nova/2011.3-0ubuntu6.3
    
    
    
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