bugtraq - ZDI-10-151: Microsoft Office Word 2007 plcffldMom Parsing Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BD3C3B0B@emb01.unity.local>
Date: Wed, 11 Aug 2010 14:48:57 -0500
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>,
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-10-151: Microsoft Office Word 2007 plcffldMom Parsing Remote
 Code Execution Vulnerability

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

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