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Internet Explorer "substringData()" Memory Corruption Vulnerability
Secunia Advisory: SA30575
Release Date: 2008-06-10
Last Update: 2008-06-11
Popularity: 10,920 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:Microsoft Internet Explorer 6.x
Microsoft Internet Explorer 7.x

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CVE reference:CVE-2008-1442


Description:
A vulnerability has been reported in Internet Explorer, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error when the "substringData()" method is called on a DOM object manipulated in a certain manner. This can be exploited to corrupt memory via a specially crafted web page.

Successful exploitation may allow execution of arbitrary code.

Solution:
Apply patches.

Windows 2000 SP4 with Internet Explorer 6 SP1:
http://www.microsoft.com/downloads/de...=4C47CF8A-8100-4D43-855A-F225A3492B19

Windows XP SP2 with Internet Explorer 6:
http://www.microsoft.com/downloads/de...=CC325017-3A48-4475-90E4-0C79A002FCE3

Windows XP SP3 with Internet Explorer 6:
http://www.microsoft.com/downloads/de...=CC325017-3A48-4475-90E4-0C79A002FCE3

Windows XP Professional x64 Edition (optionally with SP2) and Internet Explorer 6:
http://www.microsoft.com/downloads/de...=C8783CFE-9DA5-4842-AB3A-1E2BE4FAFC47

Windows Server 2003 SP1/SP2 and Internet Explorer 6:
http://www.microsoft.com/downloads/de...=286AADA6-A358-41F1-B81A-8DE39B9F908A

Windows Server 2003 x64 Edition (optionally with SP2) and Internet Explorer 6:
http://www.microsoft.com/downloads/de...=6604569A-3DB0-47E7-BD30-7DFBA8145386

Windows Server 2003 with SP1/SP2 for Itanium-based systems and Internet Explorer 6:
http://www.microsoft.com/downloads/de...=0262BEB8-1EB5-4C2D-A50A-0C6C6E0C1F61

Windows XP SP2/SP3 and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=FBC31BDE-0BF5-490C-96A8-071310D9464A

Windows XP Professional x64 Edition (optionally with SP2) and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=19C0CCDC-95C9-4151-96B6-4F49B594EBE0

Windows Server 2003 SP1/SP2 and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=A1AE9AD2-8329-4C96-B950-7534B3287EAA

Windows Server 2003 x64 Edition (optionally with SP2) and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=FB0C70B4-CE9F-43D6-875A-3CFD0D3A2681

Windows Server 2003 with SP1/SP2 for Itanium-based systems and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=28D2913C-1C6B-4671-9892-DE08698CD5A6

Windows Vista (optionally with SP1) and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=6D68B39D-157F-4C3D-AC76-BC5A9386DB59

Windows Vista x64 Edition (optionally with SP1) and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=4CF92235-861E-4B74-BEE3-8E977C8688D9

Windows Server 2008 for 32-bit Systems and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=A8922E7E-9264-4E09-B8AD-C5420FED8690

Windows Server 2008 for x64-based systems and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=05B0E838-24D7-4387-B069-2604BBCC43B9

Windows Server 2008 for Itanium-based systems and Internet Explorer 7:
http://www.microsoft.com/downloads/de...=640E1865-EBCC-4D69-A770-FD360020DA1E

Provided and/or discovered by:
The vendor credits the following:
* Sebastian Apelt via Zero Day Initiative.
* Peter Vreugdenhil via Zero Day Initiative.
* An anonymous person via Zero Day Initiative.

Changelog:
2008-06-11: Added additional information provided by ZDI.

Original Advisory:
MS08-031 (KB950759):
http://www.microsoft.com/technet/security/Bulletin/MS08-031.mspx

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

Extended Solution:
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