Description:
Can you reach the `goal()` function?
`nc localhost 1337`
[goal.zip]Hint (if you want) - google "pwn stack alignment"
This is a ret2win problem that requires dealing with stack alignment issues. In my solve, I just returned to goal()+1, but you can also make a ROP chain with a single ret gadget in front. See solve.py.
Flag - byuctf{SIUUUUUUUUUUU!!}
goal was compiled with the command gcc -o goal -no-pie goal.c.
This challenge should be a Docker container that runs goal on port 1337. All the proper files are included in here. The command to build the docker container is (when located inside of this directory):
docker compose up -dTo stop the challenge:
docker compose down