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Secunia Research 14/12/2010
- Microsoft Office FlashPix Property Set Parsing Buffer Overflow -
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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
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1) Affected Software
* Microsoft Office XP SP3
* Microsoft Office Converter Pack
NOTE: Other versions may also be affected.
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2) Severity
Rating: Moderately critical
Impact: System access
Where: From remote
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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/
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4) Description of Vulnerability
Secunia Research has discovered a vulnerability in Microsoft Office,
which can be exploited by malicious people to compromise a user's
system.
The vulnerability is caused by a boundary error in the FlashPix
graphics filter when parsing certain property sets. This can be
exploited to cause a stack-based buffer overflow via a specially
crafted FlashPix image.
Successful exploitation allows execution of arbitrary code.
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5) Solution
Apply patches provided by MS10-105.
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6) Time Table
27/07/2009 - Vendor notified.
27/07/2009 - Vendor response.
19/08/2009 - Vendor provides status update.
24/09/2009 - Vendor provides status update.
27/10/2009 - Vendor provides status update.
08/12/2009 - Vendor provides status update.
29/01/2010 - 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.
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7) Credits
Discovered by Dyon Balding, Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2010-3951 for the vulnerability.
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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
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http://secunia.com/corporate/jobs/
Secunia offers a FREE mailing list called Secunia Security Advisories:
http://secunia.com/advisories/mailing_lists/
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10) Verification
Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-33/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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