portswigger.net/research· Oct 18, 2023

The single-packet attack: making remote race-conditions 'local'

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The single-packet attack is a new technique for triggering web race conditions. It works by completing multiple HTTP/2 requests with a single TCP packet, which effectively eliminates network jitter an
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.