{"id":"UBUNTU-CVE-2014-2828","details":"The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka \"authentication chaining.\"","modified":"2025-07-16T08:11:01.256057Z","published":"2014-04-15T14:55:00Z","withdrawn":"2025-07-18T16:43:01Z","upstream":["CVE-2014-2828"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-2828"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2014/04/10/20"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-2828"}],"affected":[{"package":{"name":"keystone","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/keystone@1:2014.1~rc2-0ubuntu1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2014.1~rc2-0ubuntu1"}]}],"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","1:2014.1~b3-0ubuntu3","1:2014.1~rc1-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"keystone","binary_version":"1:2014.1~rc2-0ubuntu1"},{"binary_name":"keystone-doc","binary_version":"1:2014.1~rc2-0ubuntu1"},{"binary_name":"python-keystone","binary_version":"1:2014.1~rc2-0ubuntu1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-2828.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}