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Message-Id: <201006082034.o58KYncM012677@CA-IX-1.intnet>
Date: Tue, 8 Jun 2010 22:34:49 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Secunia Research: Microsoft Excel Record Parsing
	Input Validation Vulnerability

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

                     Secunia Research 08/06/2010

  - Microsoft Excel Record Parsing Input Validation 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 Excel 2002

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 Excel is a powerful tool you can use to create and
format spreadsheets, and analyze and share information to make more 
informed decisions.".

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

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

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

The vulnerability is caused due to insufficient input validation when
parsing a certain record type. This may lead to a variety of errors, 
including corruption of data on the stack.

Successful exploitation may allow execution of arbitrary code.
 
====================================================================== 
5) Solution 

Apply patches from MS10-038.

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

04/12/2009 - Vendor notified.
04/12/2009 - Vendor response.
11/01/2010 - Status update requested.
12/01/2010 - Vendor provides status update.
30/03/2010 - Vendor provides status update.
27/04/2010 - Vendor provides status update.
26/05/2010 - Vendor provides status update.
08/06/2010 - Public disclosure.

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

Discovered by Carsten Eiram, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-1251 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/2009-54/

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

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

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