A vulnerability has been identified in Lanap BotDetect ASP.NET, which may be exploited by attackers to bypass security restrictions. This issue is due to an error in the CAPTCHA component that stores the UUID and hash for a given CAPTCHA within the page's "ViewState", which could be exploited by remote attackers to bypass the CAPTCHA by manipulating the ViewState.
Credits
Vulnerability reported by Michael White and Graham Murphy
ChangeLog
2006-06-26 : Initial release
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