adler32-checksum

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A bug bounty writeup demonstrating an account takeover vulnerability combining IDOR and weak encryption in a password reset function. The attacker decrypted Zlib-compressed tokens, discovered an Adler-32 checksum constraint, located a Transaction_Token endpoint via directory fuzzing, and automated exploitation to forge valid password reset links for arbitrary accounts.

Mayank Pandey CyberChef Zlib Adler-32 Python
mayank-01.medium.com · kh4sh3i/bug-bounty-writeups · 17 hours ago · details