Despite advancements in API security, access control vulnerabilities, such as broken object-level authentication (BOLA) and broken function-level authentication (BFLA), remain almost impossible to detect. This blog will explore why these vulnerabilities are so difficult to detect, the limitations of current security tools, and the implications for businesses relying on API-driven applications. It will also discuss potential approaches for improving API security posture. What are API Access Control Vulnerabilities? Access control vulnerabilities arise when an application fails to enforce proper authorization. BOLA and BFLA are two of the most common types. Let’s briefly explore how they work. BOLA occurs when an API fails to verify whether a requester is permitted to access a specific data object. For example, changing a user ID in an API request to view another user’s profile. BFLA is when an API does not properly restrict access to sensitive functions based on user roles. For example, allowing a regular user to invoke an admin-only action like deleting an account. The key thing to understand is that while both BOLA and BFLA stem from insufficient authorization controls, they differ in what they allow attackers to do: BOLA exposes data objects, while BLFA exposes sensitive functions. Why is it Important to Protect Against API Access Control Vulnerabilities? Access control vulnerabilities can have serious consequences if organizations fail to detect and address…Read More