Chosen CAPTCHA Text Abuse
Variants:
Direct
Also Known As:
Client-generated CAPTCHA, The Chosen CAPTCHA Text attack
Vector Type:
Attack
Relevance:
Generic
Layer:
Application-Level
Platforms:
Any
Target Type:
Application
Affected Mechanisms:
Session Management, Anti-Automation, Secure Design
Invented In:
28/02/2012
Added In:
19/12/2014
Vector Operation Method:
Bypass an improper implementation of a CAPTCHA in which the client-side sends the designated seed value to the CAPTCHA generation service, and thus, already knowing part or all of the answer.
