A bank with a one byte overflow where we are only allowed to use fastbins and security cameras are looking at all the bank accounts 24x7.
[https://github.com/0n3m4ns4rmy/ctf-write-ups/blob/master/HackIT%20CTF%202018/Bank%20Reimplemented/exploit.py](https://github.com/0n3m4ns4rmy/ctf-write-ups/blob/master/HackIT%20CTF%202018/Bank%20Reimplemented/exploit.py)