Ubuntu 2061-1: OpenStack Keystone vulnerability

    Date 19 Dec 2013
    134
    Posted By LinuxSecurity Advisories
    Keystone access controls could be circumvented via EC2-style tokens.
    
    ==========================================================================
    Ubuntu Security Notice USN-2061-1
    December 19, 2013
    
    keystone vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.10
    
    Summary:
    
    Keystone access controls could be circumvented via EC2-style tokens.
    
    Software Description:
    - keystone: OpenStack identity service
    
    Details:
    
    Steven Hardy discovered that Keystone did not properly enforce trusts when
    using the ec2tokens API. An authenticated attacker could exploit this to
    retrieve a token not scoped to the trust and elevate privileges to the
    trustor's roles.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.10:
      python-keystone                 1:2013.2-0ubuntu1.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-2061-1
      CVE-2013-6391
    
    Package Information:
      https://launchpad.net/ubuntu/+source/keystone/1:2013.2-0ubuntu1.2
    
    
    
    
    

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