OOO archive --- DEF CON CTF [ login ]

dc2020q - fungez pwn

by slipper

This was a jeopardy challenge, part of dc2020q. (CTFtime)

Points: 201
Was solved by: 14 teams
PCAPs: download

You may spawn the server:

On your laptop
  • Install docker
  • docker pull archiveooo/pub:fungez (docker-saved download)
  • docker run -d --name fungez archiveooo/pub:fungez
  • Local IP: docker inspect fungez -f '{{ .NetworkSettings.Networks.bridge.IPAddress }}'
  • Connect to that IP:10101 — Remember to docker rm -f when done.
On your laptop (full source)
  • Install docker and pip install PyYAML coloredlogs
  • git clone
  • cd fungez
  • ./spawner --log-level=INFO
  • Connect to the ip:port displayed
Hosted by OOO Right now we're asking players to login first.


read the secret in /flag

line_weight Image line_weight line_weight rootfs.img line_weight skip_mbind.c line_weight


None yet :(
If you wish, you can contribute some.


Spoilers ahead! Code for this challenge is publicly available.