Exploiting a Use-After-Free (UAF) Vulnerability - "Unsubscriptions Are Free" Pwn Challenge [PicoGym]

"Unsubscriptions Are Free" (Pwn) challenge from PicoGym (picoCTF) - "Check out my new video-game and spaghetti-eating streaming channel on Twixer!". In this challenge we'll use Ghidra, GDB-PwnDbg and PwnTools to exploit a Use After Free (UAF) vulnerability and read the flag. Write-ups/tutorials aimed at beginners - Hope you enjoy 🙂 #Pwn #BinaryExploitation #BinExp #CTF #CaptureTheFlag #Pico #PicoCTF

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↢PicoCTF↣
https://play.picoctf.org/practice/challenge/187
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https://twitter.com/picoctf

↢Resources↣
Ghidra: https://ghidra-sre.org/CheatSheet.html …

challenge exploiting free uaf use-after-free vulnerability