## https://sploitus.com/exploit?id=65B35104-9A63-5777-B8CD-117BFD564064
# CVE-2021-3156
#### Root shell PoC for CVE-2021-3156 (no bruteforce)
For educational purposes etc.
Tested on Ubuntu 20.04 against sudo 1.8.31
All research credit: **Qualys Research Team**
Check out the details on their [blog](https://blog.qualys.com/vulnerabilities-research/2021/01/26/cve-2021-3156-heap-based-buffer-overflow-in-sudo-baron-samedit).
You can check your version of sudo is vulnerable with: `$ sudoedit -s Y`.
If it asks for your password it's most likely vulnerable, if it prints usage information it isn't.
You can downgrade to the vulnerable version on Ubuntu 20.04 for testing purposes with `$ sudo apt install sudo=1.8.31-1ubuntu1`
#### Usage
`$ make`
`$ ./exploit`