BugTraq
ZDI-08-087: Microsoft Internet Explorer Webdav Request Parsing Heap Corruption Vulnerability Dec 09 2008 09:10PM
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ZDI-08-087: Microsoft Internet Explorer Webdav Request Parsing Heap

Corruption Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-08-087

December 9, 2008

-- CVE ID:

CVE-2008-4259

-- Affected Vendors:

Microsoft

-- Affected Products:

Microsoft Internet Explorer

-- TippingPoint(TM) IPS Customer Protection:

TippingPoint IPS customers have been protected against this

vulnerability by Digital Vaccine protection filter ID 6615.

For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

-- Vulnerability Details:

This vulnerability allows attackers to execute arbitrary code on

vulnerable installations of Microsoft Internet Explorer 7 on the

Microsoft Vista operating system. User interaction is required to

exploit this vulnerability in that the target must visit a malicious

page.

The specific flaw exists during a WebDAV fetch of a document from a path

containing a large number of characters. Mishandling of cached content

results in a heap corruption which can be leveraged to execute arbitrary

code under the context of the current instance of Internet Explorer.

-- Vendor Response:

Microsoft has issued an update to correct this vulnerability. More

details can be found at:

http://www.microsoft.com/technet/security/bulletin/MS08-073.mspx

-- Disclosure Timeline:

2008-05-19 - Vulnerability reported to vendor

2008-12-09 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by:

* Brett Moore, Insomnia Security

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http://www.zerodayinitiative.com

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