Advisory Text :  

ZDI-08-039: Microsoft Internet Explorer DOM Ojbect substringData() Heap

Overflow Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-08-039

June 10, 2008

-- CVE ID:

CVE-2008-1442

-- 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 6155.

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 various Microsoft Internet Explorer. User

interaction is required to exploit this vulnerability in that the
target

must visit a malicious page.

The specific flaw exists in the substringData() method when called on a

DOM object that has been manipulated in a special way. The attack

results in an exploitable heap buffer allowing for code execution under

the context of the current 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/MS08-031.mspx

-- Disclosure Timeline:

2008-02-07 - Vulnerability reported to vendor

2008-06-10 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by:

* Anonymous

* Peter Vreugdenhil

* Sebastian Apelt (webmaster (at) buzzworld (dot) org [email
concealed])

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