Tags: exploit pwn rop 

Rating: 5.0

Abuse an OOB vulnerability, prepare a ROP-chain in the stack, trigger it using CTRL+D (remotely: connection.shutdown('send')), partially overwrite GOT address, profit.

Original writeup (https://github.com/j0nathanj/CTF-WriteUps/blob/master/2018/Nuit-du-Hack-2018/BaseX/exploit.py).