TUCoPS :: HP Unsorted A :: b1a-1317.htm

AnNoText Third-PaNew vulnerabilitiesrty ActiveX Control file overwrite vulnerability
NSOADV-2010-009: AnNoText Third-Party ActiveX Control file overwrite vulnerability
NSOADV-2010-009: AnNoText Third-Party ActiveX Control file overwrite vulnerability



______________________________________________________________________
-------------------------- NSOADV-2010-009 ---------------------------

  AnNoText Third-Party ActiveX Control file overwrite vulnerability
______________________________________________________________________
______________________________________________________________________

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  11101        0  1011     10000    00100 11100        00001101 0
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______________________________________________________________________
______________________________________________________________________

  Title:                  AnNoText Third-Party ActiveX Control file
                          overwrite vulnerability
  Severity:               Low
  Advisory ID:            NSOADV-2010-009
  Found Date:             18.03.2010
  Date Reported:          25.03.2010
  Release Date:           11.06.2010
  Author:                 Nikolas Sotiriu
  Mail:                   nso-research at sotiriu.de
Website: http://sotiriu.de/ 
Twitter: http://twitter.com/nsoresearch 
Advisory-URL: http://sotiriu.de/adv/NSOADV-2010-009.txt 
Vendor: AnNoText (http://www.annotext.de/) 
  Affected Products:      ADVOMahn Edition 21
  Affected Components     IDAutomation Linear BarCode V.1.6.0.6
                          IDautomation PDF417 Barcode V.1.6.0.6
  Remote Exploitable:     Yes
  Local Exploitable:      No
  Patch Status:           unknown (No response from vendor)
  Discovered by:          Nikolas Sotiriu
Disclosure Policy: http://sotiriu.de/policy.html 
  Thanks to:              Thierry Zoller: For the permission to use his
                                          Policy



Background:
==========
AnNoText is a German Company, which makes Software for lawyers.



Description:
===========
During the installation of the ADVOMahn two ActiveX Control will be
installed (IDAutomationLinear6.dll and IDAutomationPDF417_6.dll), in
which the functions "SaveBarCode" and "SaveEnhWMF" can lead to a file
overwrite bug.

Controls:
+--------

Name:             IDAutomation Linear BarCode 1.606
Vendor:           IDAutomation.com Inc.
Type:             ActiveX-Control
Version:          1.6.0.6
GUID:             {0C3874AA-AB39-4B5E-A768-45F3CE6C6819}
File:             IDAutomationLinear6.dll
Folder:           C:\WINDOWS\system32\
Safe for Script:  True
Safe for Init:    True


Name:             IDautomation PDF417 Barcode
Vendor:           IDAutomation.com Inc.
Type:             ActiveX-Control
Version:          1.6.0.6
GUID:             {E97EE6EB-7FBE-43B1-B6D8-C4D86C78C5A0}
File:             IDAutomationPDF417_6.dll
Folder:           C:\WINDOWS\system32\
Safe for Script:  True
Safe for Init:    True



Proof of Concept :
=================
http://sotiriu.de/software/NSOPOC-2010-009.zip 

(coming soon)



Solution:
========
Disable the vulnerable ActiveX Control by setting the kill bit for the
following CLSID:

{0C3874AA-AB39-4B5E-A768-45F3CE6C6819}
{E97EE6EB-7FBE-43B1-B6D8-C4D86C78C5A0}

Save the following text as a .REG file and imported to set the kill bit
for this controls:

+--------------------------------------
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX
Compatibility\{0C3874AA-AB39-4B5E-A768-45F3CE6C6819}]
"Compatibility Flags"=dword:00000400

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX
Compatibility\{E97EE6EB-7FBE-43B1-B6D8-C4D86C78C5A0}]
"Compatibility Flags"=dword:00000400

+--------------------------------------

More information about how to set the kill bit is available in Microsoft
Support Document 240797 (http://support.microsoft.com/kb/240797). 



Disclosure Timeline (YYYY/MM/DD):
================================
2010.03.18: Vulnerability found.
2010.03.25: Initial contact by support email address.
2010.03.29: Second contact by support, info and vertrieb (sales) email
            address. Sent the Notification and Disclosure Policy and
            the release date (2010.04.08).
2010.03.29: Initial Vendor response.
2010.03.30: Sent PoC, Advisory, Disclosure policy and planned disclosure
            date (2010.04.08) to Vendor
2010.04.08: Ask for a status update, because the planned release date is
            2010.04.08.
            [-] No Response
2010.04.12: Set Release Date to 2010.04.15.
2010.04.08: Ask for a status update, because the planned release date is
            2010.04.15.
            [-] No Response
2010.04.15: Set Release Date to 2010.04.22.
2010.04.16: Vendor informed me that the vulnerability is a third party
            issue and AnNoText contacted them.
2010.05.20: Asked if AnNoText already got a fixed version of the third
            party component.
            [-] No Response
2010.06.08: Informed AnNoText that the final release date is now the
            2010.06.10
            [-] No Response
2010.06.11: Release of this Advisory on my website
2010.06.19: Release of this Advisory on full-disc and Bugtraq





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