CVE-2024-11477 Hunting a 7-Zip Underflow Bug with Fuzzing

2024-11-27 | #asm #cve #pwn

Recently, I came across an underflow vulnerability in the open-source project 7-Zip, initially disclosed by the Zero Day Initiative (ZDI) in this advisory. The issue was resolved in version 7-Zip 24.07, and I decided it would be fun and educational to dig into this bug myself. My goal was to identify the vulnerability using fuzzing and debugging tools like AFL and GDB, gaining a deeper understanding of the flaw and its exploit potential.

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