my sudo heap overflow exploit (CVE-2021-3156)

All credit for Qualys baron samedit sudo heap overflow (https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt).
The exploit is only for test purpose

Test environment

sudo version: 1.8.31
Glibc version: 2.23
ASLR is off

Reference

https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt https://www.kalmarunionen.dk/writeups/sudo/
https://github.com/worawit/CVE-2021-3156