Upek Protector Suite 2011 - Buffer Overflow Vulnerability

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


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=259
http://www.vulnerability-lab.com/get_content.php?id=283

http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-201109-199

Release Date:
=============
2011-09-29


Vulnerability Laboratory ID (VL-ID):
====================================
259


Product & Service Introduction:
===============================
http://upek.com/solutions/psql/default.asp


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


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


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


Affected Product(s):
====================
UPEK - AuthenTec
Product: Protector Suite QL 5.x & 2011 Q/3


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


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


Technical Details & Description:
================================
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 unavailable. 

--- Error Report 5.8er reproduce BOF ---
EventType=BEX
EventTime=129154019775611031
ReportType=2
Consent=1
UploadTime=129154019779511038
ReportIdentifier=cb14ade6-44d8-11df-9c98-9d81288f21db
IntegratorReportIdentifier=cb14ade5-44d8-11df-9c98-9d81288f21db
Response.BucketId=14960377
Response.BucketTable=4
Response.type=4
Sig[0].Name=Anwendungsname
Sig[0].Value=upeksvr.exe
Sig[1].Name=Anwendungsversion
Sig[1].Value=5.8.2.4325
Sig[2].Name=Anwendungszeitstempel
Sig[2].Value=48175c90
Sig[3].Name=Fehlermodulname
Sig[3].Value=ntdll.dll
Sig[4].Name=Fehlermodulversion
Sig[4].Value=6.1.7600.16385
Sig[5].Name=Fehlermodulzeitstempel
Sig[5].Value=4a5be02b
Sig[6].Name=Ausnahmecode
Sig[6].Value=c0000005
Sig[7].Name=Ausnahmeoffset
Sig[7].Value=000000000004d174
DynamicSig[1].Name=Betriebsystemversion
DynamicSig[1].Value=6.1.7600.2.0.0.768.3
DynamicSig[2].Name=Gebietsschema-ID
DynamicSig[2].Value=1031
DynamicSig[22].Name=Zusatzinformation 1
DynamicSig[22].Value=f9a3
DynamicSig[23].Name=Zusatzinformation 2
DynamicSig[23].Value=f9a3d38cc4ed016f76897544c9f701e2
DynamicSig[24].Name=Zusatzinformation 3
DynamicSig[24].Value=6aaa
DynamicSig[25].Name=Zusatzinformation 4
DynamicSig[25].Value=6aaa6991d936522896eee79c4369bf53
UI[2]=C://Program Files//Protector Suite QL//upeksvr.exe
UI[3]=upeksvr.exe funktioniert nicht mehr
UI[4]=Windows kann online nach einer Lösung für das Problem suchen.
UI[5]=Online nach einer Lösung suchen (empfohlen)
UI[6]=Später nach einer Lösung suchen (empfohlen)
UI[7]=Schließen
UI[8]=upeksvr.exe wurde beendet und geschlossen.
UI[9]=Die Anwendung wird aufgrund eines Problems nicht mehr richtig ausgeführt. Sie erhalten Nachricht, wenn eine Lösung verfügbar ist.
UI[10]=S&chließen
State[0].Key=Transport.DoneStage1
State[0].Value=1
State[1].Key=DataRequest
State[1].Value=iData=1/nDumpFile=//Upload//iCab//0CA9C06DA3324569A0875CD01816166F.cab/nDumpServer=watson108.Watson.microsoft.com/nResponseServer=watson108.Watson.microsoft.com/nResponseURL=//dw//StageFour64.asp?iBucket=14960377&szCab=0CA9C06DA3324569A0875CD01816166F.cab&EventType=AppCrash64&MID=5F7D31A6-481E-4ECA-AA14-867905CAD689/nBucket=14960377/nBucketTable=4/nResponse=1/n
FriendlyEventName=Nicht mehr funktionsfähig
ConsentKey=BEX
AppName=upeksvr.exe
AppPath=C://Program Files//Protector Suite QL//upeksvr.exe

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 (PoC):
=======================
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 - Fix & Patch:
=======================
Restrict the username to maximum to prevent against buffer overflows when processing large -username .vtp files.


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


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


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