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Vulnerabilities in TooFAST
From: "MustLive" <mustlive () websecurity com ua>
Date: Fri, 26 Mar 2010 16:11:30 +0200

Hello Full-Disclosure!

I want to warn you about security vulnerabilities in TooFAST.

Advisory: Vulnerabilities in TooFAST
URL: http://websecurity.com.ua/4053/
17.03.2010 - found vulnerabilities.
20.03.2010 - disclosed at my site.
22.03.2010 - informed developers.

These are Insufficient Anti-automation and Denial of Service

The vulnerabilities exist in captcha script CaptchaSecurityImages.php, which
is using in this system. I already reported about vulnerabilities in
CaptchaSecurityImages (http://websecurity.com.ua/4043/).

Insufficient Anti-automation:


Captcha bypass is possible via half-automated or automated (with using of
OCR) methods, which were mentioned before (http://websecurity.com.ua/4043/).



With setting of large values of width and height it's possible to create
large load at the server.

Vulnerable are TooFAST 1.5 and previous versions.

Best wishes & regards,
Administrator of Websecurity web site

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