full-disclosure - Secunia Research: Microsoft Office Document Imaging Endian Conversion Vulnerability

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Message-Id: <201012201654.oBKGshnr023712@CA-IX-1.intnet>
Date: Mon, 20 Dec 2010 17:54:43 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Secunia Research: Microsoft Office Document
	Imaging Endian Conversion Vulnerability

====================================================================== 

                     Secunia Research 14/12/2010

- Microsoft Office Document Imaging Endian Conversion Vulnerability -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* Microsoft Office XP SP3
* Microsoft Office Converter Pack
* Microsoft Works 9

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly critical
Impact: System compromise
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"Microsoft Office is a complete suite of productivity and database
software that will help you save time and stay organized".

Product Link:
http://office.microsoft.com/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Microsoft Office, 
which can be exploited by malicious people to potentially compromise a
user's system.

The vulnerability is caused by missing input validation within a 
library used by the bundled Microsoft Office Document Imaging 
application when converting certain data during parsing of TIFF 
images. This can be exploited to corrupt memory via a TIFF image 
containing specially crafted IFD entries.

Successful exploitation may allow execution of arbitrary code.

====================================================================== 
5) Solution 

Apply patches provided by MS10-105.

====================================================================== 
6) Time Table 

09/07/2009 - Vendor notified.
09/07/2009 - Vendor response.
25/09/2009 - Vendor provides status update.
30/04/2010 - Vendor provides status update (tentatively targetting 
             August 2010).
23/07/2010 - Vendor provides status update (slipped from August 2010 
             release and now scheduled for November 2010).
04/11/2010 - Vendor provides status update (slipped from November 2010
             release and now scheduled for December 2010).
08/11/2010 - Vendor informed that December is the final deadline.
14/12/2010 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Carsten Eiram, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-3950 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-31/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================

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