full-disclosure - ZDI-10-103: Microsoft Office Excel DBQueryExt Record Unspecified ADO Object Remote Code Execution Vulnerability

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Date: Tue, 8 Jun 2010 12:45:39 -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-10-103: Microsoft Office Excel DBQueryExt
 Record Unspecified ADO Object Remote Code Execution Vulnerability

ZDI-10-103: Microsoft Office Excel DBQueryExt Record Unspecified ADO Object Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-103
June 8, 2010

-- CVE ID:
CVE-2010-1253

-- Affected Vendors:
Microsoft

-- Affected Products:
Microsoft Office Excel

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9829. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

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

The specific flaw exists in the parsing of DBQueryExt records in an
Excel spreadsheet. Due to the lack of checking when parsing particular
fields within the structure, it is possible to get a user-controlled
pointer to be called. Successful exploitation can lead to remote code
execution under the credentials of the currently logged in user.

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

http://www.microsoft.com/technet/security/bulletin/ms10-038.mspx

-- Disclosure Timeline:
2010-01-06 - Vulnerability reported to vendor
2010-06-08 - Coordinated public release of advisory

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

-- About the Zero Day Initiative (ZDI):
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disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
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