Runc < 1.0rc6 (docker < 18.09.2) container breakout (1) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2019-02-12 | Type : local | Platform : linux
This exploit / vulnerability Runc < 1.0rc6 (docker < 18.09.2) container breakout (1) is for educational purposes only and if it is used you will do on your own risk!


[+] Code ...

# Usage
Edit HOST inside `payload.c`, compile with `make`. Start `nc` and run `pwn.sh` inside the container.

# Notes
- This exploit is destructive: it'll overwrite `/usr/bin/docker-runc` binary *on the host* with the
payload. It'll also overwrite `/bin/sh` inside the container.
- Tested only on Debian 9.
- No attempts were made to make it stable or reliable, it's only tested to work when a `docker exec
<id> /bin/sh` is issued on the host.

More complete explanation [here](https://github.com/lxc/lxc/commit/6400238d08cdf1ca20d49bafb85f4e224348bf9d).

Download: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/46359.zip