ZDI-08-087: Microsoft Internet Explorer Webdav Request Parsing Heap Corruption Vulnerability
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
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TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 6615.
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-- 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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