ZDI-09-082: Microsoft Office Excel PivotTable Cache Record Parsing Memory Corruption Vulnerability

2009-11-11T00:00:00
ID SECURITYVULNS:DOC:22774
Type securityvulns
Reporter Securityvulns
Modified 2009-11-11T00:00:00

Description

ZDI-09-082: Microsoft Office Excel PivotTable Cache Record Parsing Memory Corruption Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-09-082 November 10, 2009

-- CVE ID: CVE-2009-3127

-- 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 9245. 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 Office Excel. User interaction is required to exploit this vulnerability in that the target must open a malicious document.

The specific flaw exists when parsing a document containing a malformed PivotCache Stream. The application will utilize the iCache value of an SXVI record to seek into a list of objects. While setting an attribute of that particular object, the application will corrupt memory which can lead to code execution under the context 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/MS09-067.mspx

-- Disclosure Timeline: 2009-08-20 - Vulnerability reported to vendor 2009-11-10 - Coordinated public release of advisory

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

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