CAPTCHA Bypass Vulnerability in MantisBT 1.2.18 and earlier

CVE-2014-9117 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

MantisBT before 1.2.18 uses the public_key parameter value as the key to the CAPTCHA answer, which allows remote attackers to bypass the CAPTCHA protection mechanism by leveraging knowledge of a CAPTCHA answer for a public_key parameter value, as demonstrated by E4652 for the public_key value 0.

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