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Date: Thu, 23 Dec 2010 11:28:52 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: bugtraq@...urityfocus.com
Subject: Secunia Research: Microsoft Word LFO Parsing Double-Free Vulnerability

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

                     Secunia Research 23/12/2010

        - Microsoft Word LFO Parsing Double-Free 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 Word 2002 (10.6856.6858) SP3

NOTE: Other versions may also be affected.

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

Rating: Highly critical
Impact: System access
Where:  From remote

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

"Office Word ... provides editing and reviewing tools that help you
create professional documents more easily than ever before."

Product Link:
http://office.microsoft.com/en-us/word/default.aspx

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

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

The vulnerability is caused by a double-free error when processing LFO
(List Format Override) records and can be exploited to corrupt memory 
via a specially crafted Word document.

Successful exploitation may allow execution of arbitrary code.

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

Apply patches provided by MS10-079.

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

25/05/2010 - Vendor notified.
25/05/2010 - Vendor response.
22/12/2010 - Vendor informs that due to a mishap the vulnerability
             report fell off their radar. The vulnerability has in the 
             meantime been fixed by MS10-079, which will be updated 
             accordingly with proper credits.
23/12/2010 - Public disclosure.

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

Discovered by Alin Rad Pop, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2010-3217 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/2010-76/

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

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

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