Red Hat Security Advisory 2014-0580-01 - The OpenStack Identity service authenticates and authorizes OpenStack users by keeping track of users and their permitted activities. The Identity service supports multiple forms of authentication including user name and password credentials, token-based systems, and AWS-style logins. The openstack-keystone packages have been upgraded to upstream version 2013.2.3, which provides a number of bug fixes over the previous version. The following security issue is also fixed with this release: It was found that the memcached token back end of OpenStack Identity did not correctly invalidate a revoked trust token, allowing users with revoked tokens to retain access to services they should no longer be able to access. Note that only OpenStack Identity setups using the memcached back end for tokens were affected.
cbbf882a59e7a04c181ef09556964cf1dbb16484778d505b0c2a9c16a7da6974Red Hat Security Advisory 2014-0368-01 - The OpenStack Identity service authenticates and authorizes OpenStack users by keeping track of users and their permitted activities. The Identity service supports multiple forms of authentication including user name and password credentials, token-based systems, and AWS-style logins. It was found that the ec2token API in keystone, which is used to generate EC2-style credentials, could generate a token not scoped to a particular trust when creating a token from a received trust-scoped token. A remote attacker could use this flaw to retrieve a token that elevated their privileges to all of the trustor's roles. Note that only OpenStack Identity setups that have EC2-style authentication enabled were affected.
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