Microsoft Internet Explorer Bug in Processing Mismatched Document Object Model Objects May Let Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1015251
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SecurityTracker URL: http://securitytracker.com/id?1015251
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CVE Reference: CVE-2005-1790
(Links to External Site)
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Updated: Dec 13 2005
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Original Entry Date: Nov 22 2005
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Exploit Included: Yes
Vendor Confirmed: Yes
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Advisory: Microsoft Security Bulletin
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Version(s): 5.01 SP4, 5.5 SP2, 6 SP1; and prior service packs
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Description: A vulnerability was reported in Microsoft Internet Explorer. A remote user may be able to cause arbitrary code to be executed on the target user's system.
A remote user can create specially crafted HTML that, when loaded by the target user, will cause arbitrary code to be executed on
the target system. The code will run with the privileges of the target user.
HTML that contains certain javascript onload()
events can trigger the flaw. The vulnerability occurs due to way that Internet Explorer handles mismatched Document Object Model
(DOM) objects. Other events may be affected.
Exploit code is publicly available and malicious software is actively exploiting
this vulnerability.
This vulnerability was originally reported by Benjamin Tobias Franz in May 2005 as a denial of service vulnerability.
In that report, the following demonstration exploit was provided:
<body onLoad="window()">
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Impact: A remote user can create HTML that, when loaded by the target user, will cause arbitrary code to be executed on the target user's system.
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Solution: The vendor has issued the following fixes:
Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 Service Pack 4:
http://www.microsoft.com/downloads/details
.aspx?FamilyId=4005B74A-D6E6-4A32-A3B1-276686B4A428
Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service Pack
4 or on Microsoft Windows XP Service Pack 1:
http://www.microsoft.com/downloads/details.aspx?FamilyId=A8443CD2-D98D-427B-9F0E-BD7E19FCB994
Internet
Explorer 6 for Microsoft Windows XP Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=E4B5BA57-D4F2-4798-9154-2869E371C9D1
Internet
Explorer 6 for Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1:
http://www.microsoft.com/downloads/details.aspx?FamilyId=9D70FB20-C7C9-4
3AF-A864-6DBC9A542CC6
Internet Explorer 6 for Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server
2003 with SP1 for Itanium-based Systems:
http://www.microsoft.com/downloads/details.aspx?FamilyId=1EE790B9-E596-4344-AEC3-FCB3289D7E9C
Internet
Explorer 6 for Microsoft Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=8E9C23E5-7988-42DA-A8BD-2C1A534BF995
Internet
Explorer 6 for Microsoft Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=E1652B4A-6339-4B31-8ACF-D2A844C24F70
A
restart is required.
This fix is part of a cumulative update that supercedes the update provided in MS05-052.
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Vendor URL: www.microsoft.com/technet/security/bulletin/ms05-054.mspx (Links to External Site)
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Cause: State error
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Underlying OS: Windows (98), Windows (2000), Windows (2003), Windows (XP)
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Underlying OS Comments: 2000 SP4, XP SP2, 2003 SP1; and prior service packs
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Message History:
None.
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Source Message Contents
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Date: Tue, 22 Nov 2005 00:46:21 -0500
Subject: Microsoft Security Advisory (911302); Vulnerability in the way Internet Explorer Handles onLoad Events Could Allow Remote Code Execution
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http://www.microsoft.com/technet/security/advisory/911302.mspx
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