full-disclosure - Upek Protector Suite QL 2011 - VTP Buffer Overflow Vulnerability

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Message-ID: <4E7FEEEC.3020603@vulnerability-lab.com>
Date: Mon, 26 Sep 2011 05:18:04 +0200
From: "research@...nerability-lab.com" <research@...nerability-lab.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Upek Protector Suite QL 2011 - VTP Buffer
	Overflow Vulnerability

Title:
======
Upek Protector Suite QL 2011 - Buffer Overflow Vulnerability

Date:
=====
2011-09-26

References:
===========
http://www.vulnerability-lab.com/get_content.php?id=259

VL-ID:
=====
259

Abstract:
=========
The Vulnerability Lab Research Team discovered a Buffer Overflow Vulnerability on the UPEK  Protector Suite QL
in combination with the eikon fingerprint scanner device.

Report-Timeline:
================
2011-04-03:	Vendor Notification
2011-04-19:	Vendor Notification
2011-**-**:	Vendor Response/Feedback
2011-**-**:	Vendor Fix/Patch
2011-09-24:	Public or Non-Public Disclosure

Status:
========
Published

Affected Products:
==================
Upek Protector Suite QL 2011
Upek Protector Suite QL 5.x

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

Severity:
=========
High

Details:
========
A Buffer Overflow vulnerability is detected on the UPEK Protector Suite QL v5.x & version 2011 in combination with 
the EikonTouch USB peripheral. The vulnerability allows an local attacker to crash the EikonTouch USB peripheral device 
driver/software via local buffer overflow. The bug is located on the profile import module of the software when processing 
special crafted (manipualted) .vtp profile files.

Vulnerable Module(s): 
								[+] .VTP FILE - USERNAME

Note: After the software crash the driver device of the fingerprinter crashs too. All control center functions are stable unavailable.

Analyse(s):
			../FingerprintSensorVersion.txt
			../Report.wer
			../upeksvr.exe_b0585871d7999ad31630447670a0d1d084e7436_1331e935.wer
			../WERC0A1.tmp.appcompat.txt
			../WERC1E9.tmp.WERInternalMetadata.xml
			../WERC1FA.tmp.WERDataCollectionFailure.txt
			../AppCrash_ctlcntrv.exe_f93f6c2a8899fbd4ca04bd90d32dae3d4dbe7_13bce09e

Picture(s):
			../1.png
			../2.png
			../3.png
			../4.png
			../5.png
			../6.png
			../7.png
			../2011_1.png
			../2011_2.png
			../IMAG0267.jpg
			../IMAG0268.jpg
			../IMAG0270.jpg
			../IMAG0272.jpg
			../wrong.png

Video(s):
			[+] http://www.vulnerability-lab.com/get_content.php?id=283

Proof of Concept:
=================
This vulnerability can be exploited by local attacker. For demonstration or reproduce ...

Review:  *.vtp

PoC:

				../poc.vtp

Analyse(s):
				../FingerprintSensorVersion.txt
				../Report.wer
				../upeksvr.exe_b0585871d7999ad31630447670a0d1d084e7436_1331e935.wer
				../WERC0A1.tmp.appcompat.txt
				../WERC1E9.tmp.WERInternalMetadata.xml
				../WERC1FA.tmp.WERDataCollectionFailure.txt
				../AppCrash_ctlcntrv.exe_f93f6c2a8899fbd4ca04bd90d32dae3d4dbe7_13bce09e

Solution:
=========
Restrict the username to maximum to prevent against buffer overflows when processing large -username .vtp files.

Risk:
=====
The security risk of the local buffer overflow vulnerability is estimated as high(-).

Credits:
========
Vulnerability Research Laboratory - Benjamin Kunz Mejri (Rem0ve)

Disclaimer:
===========
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, 
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business 
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some 
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation 
may not apply. Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability-
Lab. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of 
other media, are reserved by Vulnerability-Lab or its suppliers.

    						Copyright © 2011|Vulnerability-Lab

-- 
Website: www.vulnerability-lab.com ; vuln-lab.com or vuln-db.com
Contact: admin@...nerability-lab.com or support@...nerability-lab.com

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