Ubuntu 2061-1: OpenStack Keystone vulnerability

    Date 19 Dec 2013
    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
    Keystone access controls could be circumvented via EC2-style tokens.
    Software Description:
    - keystone: OpenStack identity service
    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.
    Package Information:

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