h2spacex
A low-level Python library for HTTP/2 single packet attacks and timing attacks using Scapy.
What is h2spacex?
H2SpaceX is a Python library built on Scapy that enables security researchers to perform HTTP/2 single packet attacks and timing attacks. It exploits race conditions in HTTP/2 implementations by sending crafted packets and measuring response times with high precision to identify vulnerabilities.
Security researchers, penetration testers, and red teamers who need to test HTTP/2 implementations for race condition and timing vulnerabilities.
Developers choose H2SpaceX for its low-level packet manipulation capabilities, nanosecond timing precision, and implementation of cutting-edge attack techniques like the enhanced single packet attack method from Black Hat 2024.
Overview
HTTP/2 Last Frame Synchronization (also known as Single Packet Attack) low Level Library / Tool based on Scapy + Exploit Timing Attacks
Use Cases
Best For
- Testing HTTP/2 servers for race condition vulnerabilities
- Performing timing attacks with nanosecond precision
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