Éditeur de configuration

Description

This configuration editing software has a few issues… Would you be able to make good use of it?

Files

docker-compose.yml
editeur-de-configuration
18.13 KiB – 2c4b735d6ffd42054f00813ed1cf276442bd166023221f79fc66154724f76032
Dockerfile
596 B – f23fd9d76305e1ad7a1bb247ab2224a1a3b7a9b7a9d0436b051bed912918bf86

Author

sheidan

Challenge Instructions

First, download docker-compose.yml:
curl https://hackropole.fr/challenges/fcsc2025-pwn-editeur-de-configuration/docker-compose.public.yml -o docker-compose.yml
Launch the challenge by executing in the same folder:
docker compose up
Then, in another console, access the challenge with Netcat:
nc localhost 4000

⚠️ Important: You must solve the challenge by interacting with the Docker container through the exposed network port. Any other way is not considered valid.

In case you encounter problems, please consult the FAQ.

Flag

You don't have JavaScript actived. No problem! You can check your flag like this: echo -n 'PUT_THE_FLAG_HERE' | sha256sum # possible output: 1656fbc3de07fffc4635656753a74b56c9d4ce2525e9d41daa040da2a2e206a6

Writeups

I've been looking for a long time and I still can't find the flag!

You can vote for the solutions you prefer by using the on their respective pages.

Date	Author	Language	Tags
2025-04-28	tritrilemagnifique	🇫🇷