This is How a Simple IDOR Earned Me a Max Bug Bounty Payout

Summary: The video discusses a hacker’s discovery of a critical security vulnerability in a multi-billion dollar financial giant’s API, which had been overlooked for years. The hacker utilized automation and AI to expose sensitive user data, transforming a medium-severity bug into a high-risk threat. The tutorial invites viewers to learn from the experience and emphasizes the potential to find overlooked vulnerabilities in seemingly secure systems.

Keypoints:

• A multi-billion dollar financial company’s API was found to be leaking sensitive user data.
• The hacker discovered the vulnerability through GitHub by identifying a specific API endpoint.
• The initial assessment rated the vulnerability as medium severity due to the need for knowing usernames for exploitation.
• AI and automation were employed to generate a list of possible usernames to access the leaked data.
• The hacker uncovered a systematic way of generating usernames based on initials, last names, and birth years.
• Through the use of ChatGPT, the hacker created a script to automate requests to the API, retrieving valid usernames.
• The method highlighted the power of creative thinking and automation in discovering vulnerabilities.
• Encouragement for viewers to explore similar vulnerabilities that may exist in other public programs.
• Call to action for viewers to engage with more content related to API hacking techniques.