CVE-2021-36260 implement please!

[[! ANY INCOMPLETE REPORT WILL BE CLOSED RIGHT AWAY !

Steps to Reproduce (for bugs)

no bug just a feature

Your Environment

Kali rolling all right, rsf works fine.

Current Behavior

Without this I have no obtain the shell

Expected Behavior

Just implement https://github.com/Aiminsun/CVE-2021-36260/blob/main/CVE-2021-36260.py