yuanfangdeshanlaoou/ctf-writeups
COMPFEST18 CTF writeups — 4 solved challenges (400pts/170th): generalized Wiener RSA, memory forensics + unicorn emulation, hand-rolled ECDSA+RLP on-chain exploit, Heavens Gate reversing. Each writeup ends with a real-world offensive mapping.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.