Arithmetic CAPTCHA Abuse
Variants:
Direct
Also Known As:
Arithmetic CAPTCHA
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 challenge is an arithmetic operation is presented in clear-text, and thus parsed and answered.