Description
The login module in Sun Java System Access Manager 6 2005Q1 (aka 6.3), 7 2005Q4 (aka 7.0), and 7.1 responds differently to a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Sun Java System Access Manager 7.1 - 'Username' Enumeration EDB-32762 · remote · Jan 27, 2009 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- sun-jsam-username-info-disclosure(48283) vdb-entry
- 242026 vendor-advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-119465-15-1
- ADV-2009-0269 vdb-entry
- 33489 vdb-entry
- 33688 third-party-advisory