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ZDI-10-151: Microsoft Office Word 2007 plcffldMom Parsing Remote Code Execution Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Wed, 11 Aug 2010 14:48:57 -0500

ZDI-10-151: Microsoft Office Word 2007 plcffldMom Parsing Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-151
August 11, 2010

-- CVE ID:
 CVE-2010-1903

-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors:
Microsoft

-- Affected Products:
Microsoft Office Word

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10129. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Microsoft Word. User interaction is required
to exploit this vulnerability in that the target must visit a malicious
page or open a malicious file.

The specific flaw exists within the code responsible for parsing the
plcffldMom structure within .doc files. By crafting malicious values
within this structure an attacker can force the program to make faulty
heap memory allocations. This can be leveraged to execute remote code
under the context of the user running the application.

-- Vendor Response:
Microsoft has issued an update to correct this vulnerability. More
details can be found at:

http://www.microsoft.com/technet/security/bulletin/ms10-056.mspx

-- Disclosure Timeline:
2010-06-02 - Vulnerability reported to vendor
2010-08-11 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
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