Rating:

- Morris Worm - fingerd Stack Buffer Overflow
- Cron Job misconfiguration

[**Full Writeup**](https://ctf.zeyu2001.com/2021/yauzactf-2021/back-in-1986-user)

Original writeup (https://ctf.zeyu2001.com/2021/yauzactf-2021/back-in-1986-user).