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

[zdi-disclosures@xxxxxxxx]

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@xxxxxxxxxxxxx)

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