View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2014-3476 medium priority: Ubuntu including 1 source packages (keystone), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 2, DNE 1, ignored 1, not-affected 1.
OpenStack Identity (Keystone) before 2013.2.4, 2014.1 before 2014.1.2, and Juno before Juno-2 does not properly handle chained delegation, which allows remote authenticated users to gain privileges by leveraging a (1) trust or (2) OAuth token with impersonation enabled to create a new token with additional roles.