{"id":"UBUNTU-CVE-2014-2237","details":"The memcache token backend in OpenStack Identity (Keystone) 2013.1 through 2.013.1.4, 2013.2 through 2013.2.2, and icehouse before icehouse-3, when issuing a trust token with impersonation enabled, does not include this token in the trustee's token-index-list, which prevents the token from being invalidated by bulk token revocation and allows the trustee to bypass intended access restrictions.","modified":"2025-07-16T07:31:50.466007Z","published":"2014-04-01T06:35:00Z","withdrawn":"2025-07-18T16:43:00Z","upstream":["CVE-2014-2237"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-2237"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2014/02/28"},{"type":"REPORT","url":"http://lists.openstack.org/pipermail/openstack-announce/2014-March/000204.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-2237"}],"affected":[{"package":{"name":"keystone","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/keystone@1:2014.1~b3-0ubuntu3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2014.1~b3-0ubuntu3"}]}],"versions":["1:2013.2~rc4-0ubuntu1","1:2013.2-0ubuntu1","1:2013.2-0ubuntu1.1","1:2014.1~b1-0ubuntu1","1:2014.1~b2-0ubuntu1","1:2014.1~b3-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2014.1~b3-0ubuntu3","binary_name":"keystone"},{"binary_version":"1:2014.1~b3-0ubuntu3","binary_name":"keystone-doc"},{"binary_version":"1:2014.1~b3-0ubuntu3","binary_name":"python-keystone"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-2237.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}