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-2012-4198 medium priority: Ubuntu including 1 source packages (bugzilla), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): DNE 2, not-affected 2, ignored 1, needs-triage 1.
The User.get method in Bugzilla/WebService/User.pm in Bugzilla 3.7.x and 4.0.x before 4.0.9, 4.1.x and 4.2.x before 4.2.4, and 4.3.x and 4.4.x before 4.4rc1 has a different outcome for a groups request depending on whether a group exists, which allows remote authenticated users to discover private group names by observing whether a call throws an error.