Business logic vulnerabilities

Main Ideas

What are business logic vulnerabilities?

How do business logic vulnerabilities arise?

What is the impact of business logic vulnerabilities?

Examples of business logic vulnerabilities

Excessive trust in client-side controls

Failing to handle unconventional input

Making flawed assumptions about user behavior

Users won't always follow the intended sequence

Domain-specific flaws

Providing an encryption oracle

Email address parser discrepancies

How to prevent business logic vulnerabilities