hunt-race-condition

Race condition hunting involves capturing a baseline request, sending parallel requests using HTTP/2 single-packet attacks to bypass rate limiting, and analyzing responses for anomalies like double-spending, vote inflation, or privilege escalation in financial systems.

Common high-severity race condition vulnerabilities include coupon double-redemption, MFA-OTP validation races, account creation races, double-spending, vote inflation, and privilege escalation resulting from violated critical security assumptions.

The HTTP/2 single-packet attack bypasses rate limiting by transmitting multiple concurrent requests within a single network packet, ensuring the server processes them simultaneously before rate limiters can effectively throttle the traffic.

Yes, you need knowledge of common application vulnerabilities and race condition exploitation methods to effectively analyze attack surfaces like URL patterns, response headers, and JavaScript patterns that indicate exploitable race conditions.

The step-by-step methodology for race condition bug hunting involves capturing a baseline request, setting up parallel request tools to execute simultaneous attacks, and analyzing the server responses for violated security assumptions.