Guessable CAPTCHA
Description The software uses a CAPTCHA challenge, but the challenge can be guessed or automatically recognized by a non-human actor. Extended DescriptionAn automated attacker could bypass the intended protection of the CAPTCHA challenge and perform actions at a higher frequency than humanly possible, such as launching spam attacks.There can be several different causes of a guessable CAPTCHA:An audio or visual image that does not have sufficient distortion from the unobfuscated source image.A question is generated that with a format that can be automatically recognized, such as a math question.A question for which the number of possible answers is limited, such as birth years or favorite sports teams.A general-knowledge or trivia question for which the answer can be accessed using a data base, such as country capitals or popular actors.Other data associated with the CAPTCHA may provide hints about its contents, such as an image whose filename contains the word that is used in the CAPTCHA. Likelihood of Exploit: Medium to High Applicable PlatformsLanguage Class: Language-independentTechnology Class: SometimesTechnology Class: Web-Server Time Of Introduction
Common Consequences
Detection MethodsNone Potential MitigationsNone Relationships
Demonstrative ExamplesNone White Box Definitions None Black Box Definitions None Taxynomy Mappings
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