httpd

pwn x86/x64 FCSC 2022 solved on

star star star

Description

Audit and exploit this sandboxed web server.

Files

  • docker-compose.yml
  • httpd
    22.27 KiB – 886c73030115719d5e8a35805bc23ee2345d69e7b35ce4fc0406e1efdb94f7d4
  • ld-2.33.so
    211.12 KiB – 7dc3322b6cceb01e2a8a24667f254ffd8202ae2a6636809456c054c313904239
  • libc-2.33.so
    1.89 MiB – 86ca990a4719b1d4ed8f56e9c6c373e33ad8a40a85fb262cc9ac94ab67feaed0
  • httpd.src.tar.gz
    6.94 KiB – 9bf81eb1caa5fe48b1899514ea15a1694636af5008d294375775cd93f013ceaf

Author

XeR

Challenge Instructions

  1. First, download docker-compose.yml:
    curl https://hackropole.fr/challenges/fcsc2022-pwn-httpd/docker-compose.public.yml -o docker-compose.yml
  2. Launch the challenge by executing in the same folder:
    docker compose up
  3. 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

Share my success on Fediverse, Twitter, Linkedin, Facebook, or via email.

Submit your solution

You can submit your writeup for this challenge. Read the FAQ to learn how to proceed.

You need to be logged in to submit a writeup.

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.

DateAuthor Language Tags Vote
2023-11-06
voydstack
πŸ‡¬πŸ‡§
TeamFrance
2023-11-07
face0xff
πŸ‡¬πŸ‡§
TeamFrance