Description
Simple Machines Forum (SMF) 1.1.2 uses a concatenation method with insufficient randomization when creating a WAV file CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated brute-force attack.
References
- smf-wav-security-bypass(34907) vdb-entry
- 1018260 vdb-entry
- 20070618 ShAnKaR: Simle machines forum CAPTCHA bypass and PHP injection mailing-list
- 40617 vdb-entry
- http://securityvulns.ru/Rdocument271.html