Red Hat Security Advisory 2013-1083-01 - The openstack-keystone packages provide Keystone, a Python implementation of the OpenStack identity service API, which provides Identity, Token, Catalog, and Policy services. A flaw was found in the way Keystone handled LDAP based authentication. If Keystone was configured to use LDAP authentication, and the LDAP server was configured to allow anonymous binds, anyone able to connect to a given service using Keystone could connect as any user, including the admin, without supplying a password.
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