In this chapter, we will cover two authorization vulnerabilities: BOLA and BFLA. These vulnerabilities reveal weaknesses in the authorization checks that ensure authenticated users are only able to access their own resources or use functionality that aligns with their permission level. In the process, we’ll discuss how to identify resource IDs, use A-B and A-B-A testing, and speed up your testing with Postman and Burp Suite.
Finding BOLAs
BOLA continues to be one of the most prominent API-related vulnerabilities, but it can also be one of the easiest to test for. If you see that the API lists resources following ...
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