bugtraq - ZDI-08-050: Microsoft Internet Explorer XHTML Rendering Memory Corruption Vulnerability

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Message-ID: <OF376C271A.393B0EB5-ON882574A3.0076E2EC-862574A3.0077925B@3com.com>
Date: Tue, 12 Aug 2008 16:46:03 -0500
From: zdi-disclosures@...m.com
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Cc: zdi-disclosures@...m.com
Subject: ZDI-08-050: Microsoft Internet Explorer XHTML Rendering Memory Corruption
 Vulnerability

ZDI-08-050: Microsoft Internet Explorer XHTML Rendering Memory Corruption 
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-08-050
August 12, 2008

-- CVE ID:
CVE-2008-2257

-- Affected Vendors:
Microsoft

-- Affected Products:
Microsoft Internet Explorer 6
Microsoft Internet Explorer 7

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of 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 handling of document objects.  When an
object is appended in a specific order, memory corruption occurs. 
Successful exploitation leads to remote compromise of the affected
system under the credentials 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/MS08-045.mspx

-- Disclosure Timeline:
2008-04-16 - Vulnerability reported to vendor
2008-08-12 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Sam Thomas

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