deflation

pwn x86/x64 FCSC 2022 solved on

star star

Description

You need to read the file flag.txt on the remote server.

Files

  • docker-compose.yml
  • deflation
    16.23 KiB – f25ef047e62b4ecb3e28bded74fa62f20d7c6324357f99ad72795c8bca24a5c9
  • libc-2.31.so
    1.75 MiB – 17abce7433ccac97a7a5e9c1d286b7337c30d01f25e0d837cfe78de9be61e768
  • ld-linux-x86-64.so.2
    173.76 KiB – 0a96b6c36729ebdc85b18e2bf036b1a1b4bd96e3c593c31b5154c3a1d15bda2f

Authors

Cryptanalyse
XeR

Challenge Instructions

  1. First, download docker-compose.yml:
    curl https://hackropole.fr/challenges/fcsc2022-pwn-deflation/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.

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Writeups

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