YABB invalid messages allow attacker to obtain username and password
| yabb-invalidmessage-obtain-information (15236) |  Medium Risk |
Description:
YaBB (Yet Another Bulletin Board) could allow a remote attacker to determine valid usernames and passwords on the system. YABB displays different messages for valid and invalid usernames. The system will either return a message stating that the username is incorrect or the password is incorrect. A remote attacker could determine a valid username and password by using brute force methods to gain unauthorized access to the system.
Consequences:
Obtain Information
Remedy:
No remedy available as of May 1, 2013.
References:
- BugTraq Mailing List, Tue Feb 17 2004 - 04:07:48 CST : YABB information leakage on failed login.
- YABB Web site: Yet another Bulletin Board - Free open source forum software.
- BID-9677: YaBB Information Leakage Weakness
- CVE-2004-0294: YaBB 1 SP 1.3.1 displays different error messages when a user exists or not, which makes it easier for remote attackers to identify valid users and conduct a brute force password guessing attack.
- OSVDB ID: 6724: YaBB Valid User Information Disclosure
Platforms Affected:
- YaBB YaBB 1 SP1.3.1
Reported:
Feb 17, 2004
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