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Microsoft Internet Explorer Multiple Vulnerabilities
Secunia Advisory: SA14922
Release Date: 2005-04-12
Last Update: 2005-11-21
Popularity: 24,668 views

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

Software:Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 5.5
Microsoft Internet Explorer 6.x

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CVE reference:CVE-2005-0553
CVE-2005-0554
CVE-2005-0555


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

1) A race condition in the processing of DHTML objects for multiple threads can be exploited to execute arbitrary code via specially crafted HTML emails and web sites.

2) An error in the "InternetCreateUrlW()" API when handling hostnames can be exploited to corrupt the heap via a specially crafted HTML document opening an URL with a long hostname (more than 256 characters).

Successful exploitation may allow execution of arbitrary code.

3) A boundary error in the handling of Content Advisor ratings can be exploited to execute arbitrary code via specially crafted Content Advisor content.

Successful exploitation requires the user to accept and install the Content Advisor ratings.

Solution:
Apply patches.

Internet Explorer 5.01 Service Pack 3 on Microsoft Windows 2000 Service Pack 3:
http://www.microsoft.com/downloads/de...=6CF45449-03D8-40B8-A4C0-09F413EE8EAB

Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 Service Pack 4:
http://www.microsoft.com/downloads/de...=627F8991-7717-4ADE-A5AE-169591B6AAE0

Internet Explorer 5.5 Service Pack 2 on Microsoft Windows Millennium Edition:
See original advisory.

Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 with Service Pack 3 or Service Pack 4, or on Microsoft Windows XP Service Pack 1:
http://www.microsoft.com/downloads/de...=92E5A83D-9131-4B20-915A-A444C51656DC

Internet Explorer 6 Service Pack 1 on Microsoft Windows 98, on Microsoft Windows 98 SE, or on Microsoft Windows Millennium Edition:
See original advisory.

Internet Explorer 6 Service Pack 1 for Microsoft Windows XP 64-Bit Edition Service Pack 1 (Itanium):
http://www.microsoft.com/downloads/de...=87241BC0-E1E9-4EFC-A6EC-5413119D3100

Internet Explorer 6 for Microsoft Windows Server 2003:
http://www.microsoft.com/downloads/de...=88879B7A-3F4D-40D4-ADFD-4BBD8D4D865F

Internet Explorer 6 for Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows XP 64-Bit Edition Version 2003 (Itanium):
http://www.microsoft.com/downloads/de...=FF80E80F-862A-4484-BC9D-FE05F966F1F4

Internet Explorer 6 for Microsoft Windows XP Service Pack 2:
http://www.microsoft.com/downloads/de...=974F9611-6352-4F9C-B258-346C317857C5

Microsoft Windows XP Embedded (with SP2):
http://www.microsoft.com/downloads/de...=cdbbf6da-965f-4ca2-95d9-73dbfdbae0bc

Microsoft Windows XP Embedded (with SP1):
http://www.microsoft.com/downloads/de...=a01e8cfe-96fa-4443-870d-5c2ebeb4af2e

Microsoft Internet Explorer on the following platforms is not affected:
* Microsoft Windows Server 2003 Service Pack 1
* Microsoft Windows Server 2003 with SP1 for Itanium-based Systems
* Microsoft Windows Server 2003 x64 Edition
* Microsoft Windows XP Professional x64 Edition

Provided and/or discovered by:
1) Berend-Jan Wever
2) 3APA3A and axle@bytefall
3) Andres Tarasco, SIA Group

Changelog:
2005-04-13: Added links to US-CERT vulnerability notes.
2005-04-14: Added link to advisory from Skylined. Added links to iDEFENSE advisories and updated "Description" section.
2005-04-15: Added additional information provided by 3APA3A.
2005-11-21: Added patch information for Windows XP Embedded.

Original Advisory:
MS05-020 (KB89092):
http://www.microsoft.com/technet/security/Bulletin/MS05-020.mspx

Skylined:
http://www.edup.tudelft.nl/~bjwever/advisory_msie_R6025.html.php

iDEFENSE:
http://www.idefense.com/application/poi/display?id=228&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=229&type=vulnerabilities

Other References:
US-CERT VU#774338:
http://www.kb.cert.org/vuls/id/774338

US-CERT VU#756122:
http://www.kb.cert.org/vuls/id/756122

US-CERT VU#222050:
http://www.kb.cert.org/vuls/id/222050


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