Message-ID: <a1ed37af-6bdd-7596-c19e-68dbc79fcbe7@vulnerability-lab.com>
Date: Wed, 11 Jul 2018 14:47:11 +0200
From: Vulnerability Lab <research@...nerability-lab.com>
To: fulldisclosure@...lists.org
Subject: [FD] Intel System CU - Buffer Overflow (Denial of Service)
	Vulnerability

Document Title:
===============
Intel System CU - Buffer Overflow (Denial of Service) Vulnerability


References (Source):
====================
https://www.vulnerability-lab.com/get_content.php?id=2133

Security ID: INTEL-SA-00134

https://nvd.nist.gov/vuln/detail/CVE-2018-3661
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3661

Acknowledgements:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00134.html

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-3661

CVE-ID:
=======
CVE-2018-3661


Release Date:
=============
2018-07-11


Vulnerability Laboratory ID (VL-ID):
====================================
2133


Common Vulnerability Scoring System:
====================================
5.5


Vulnerability Class:
====================
Buffer Overflow


Current Estimated Price:
========================
3.000€ - 4.000€


Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered a local
buffer overflow vulnerability in the official Intel System CU 14.0 and 14.1.


Vulnerability Disclosure Timeline:
==================================
2018-05-15: Release Date (Intel)
2018-07-11: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Affected Product(s):
====================
Intel Systems
Product: Intel System - CU (Utilities) 14.0 build & 14.1 build - (Intel®
C620 Series Chipsets b19)


Exploitation Technique:
=======================
Local


Severity Level:
===============
Medium


Authentication Type:
====================
Restricted authentication (user/moderator) - User privileges


User Interaction:
=================
No User Interaction


Disclosure Type:
================
Bug Bounty Program


Technical Details & Description:
================================
A local buffer overflow vulnerability has been discovered in the
official Intel System CU 14.0 and 14.1 utilities.
The vulnerability can be exploited by local attackers to overwrite
active registers to compromise the process or
affected computer system.

Intel system configuration utilities are vulnerable to a denial of
service, caused by a classic buffer overflow.
By sending a specially-crafted request, a local authenticated attacker
could exploit this vulnerability to cause
a denial of service condition.

Affected are versions of syscfg.exe before release 14.0 build 16 or for
systems based on Intel® C620 Series
Chipsets 14.1 build 19. Affected are Versions of selview.exe before
release 14.0 build 21 or for systems based
on Intel® C620 Series Chipsets before 14.0 build 11.

Exploitation of the local buffer overflow vulnerability requires no user
interaction and system process privileges.
Successful exploitation of the buffer overflow vulnerability results in
a compromise of the local system process or
affected computer system.

Vulnerable File(s):
[+] syscfg.exe
[+] selview.exe


https://www.vulnerability-lab.com/resources/pictures/2133/Intel1.jpg
https://www.vulnerability-lab.com/resources/pictures/2133/Intel2.jpg


Security Risk:
==============
The security risk of the exploitable local buffer overflow vulnerability
in the utilities software is estimated as medium.


Credits & Authors:
==================
S.AbenMassaoud -
https://www.vulnerability-lab.com/show.php?user=S.AbenMassaoud


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=========================
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