Red Hat Security Advisory 2014-0422-01 - The openshift-origin-broker package provides the OpenShift Broker service that manages all user logins, DNS name resolution, application states, and general orchestration of the applications. The rubygem-openshift-origin-auth-remote-user package provides the remote user authentication plug-in. A flaw was found in the way openshift-origin-broker handled authentication requests via the remote user authentication plug-in. A remote attacker able to submit a request to openshift-origin-broker could set the X-Remote-User header, and send the request to a passthrough trigger, resulting in a bypass of the authentication checks to gain access to any OpenShift user account on the system.
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