Rating: 5.0

The binary has a simple Stack Overflow vulnerability.
We need to return to `__lib_csu_init` because RDX is set to zero before we get RIP control.

[writeup](https://ptr-yudai.hatenablog.com/entry/2019/03/25/152043#Pwn-975pts-Baby-one)

Original writeup (https://ptr-yudai.hatenablog.com/entry/2019/03/25/152043#Pwn-975pts-Baby-one).