Description
Sun Java System Identity Manager (IdM) 7.0 through 8.0 responds differently to failed use of the end-user question-based login feature depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.
References
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-140936-01-1
- 253267 vendor-advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-137621-11-1
- 1021881 vdb-entry
- 34191 vdb-entry
- http://blogs.sun.com/security/entry/sun_alert_253267_sun_java
- ADV-2009-0797 vdb-entry
- 34380 third-party-advisory