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Patch Available for Vulnerabilities in Internet Explorer

This article has been archived. It is offered "as is" and will no longer be updated.
Symptoms
Microsoft has released an Internet Explorer security update that eliminates the following security vulnerabilities in Internet Explorer versions 5, 5.01, and 5.5:
  • The "Scriptlet Rendering" vulnerability. The ActiveX control that is used to invoked scriptlets is also a rendering engine for Hypertext Markup Language (HTML) and other file types such as .txt and .doc files. Because of this functionality, a malicious Web site operator can provide incorrect information that consists of script for the purpose of introducing it into an Internet Explorer system file with a known name, and then using the Scriptlet control to render the file. This action would make the script run in the Local Computer Zone, at which point it could obtain access to files on the local computer. For information about this vulnerability, view the following Microsoft Web site: For a list of frequently asked questions about this vulnerability, view the following Microsoft Web site:
  • A new variant of the "Frame Domain Verification" vulnerability that was fixed in Internet Explorer 5.01. For information about this vulnerability, view the following Microsoft Web site: To exploit the first two vulnerabilities, a malicious Web site operator would need to know, or guess, the exact name and path of each file the malicious Web site operator wants to view. Even then, the malicious Web site operator could only view file types that can be opened in a browser window such as .txt or .doc files, but not .exe or .dat files. If the Web site were in a zone where active scripting is disabled, neither vulnerability could be exploited.
  • A patch for the "IE Script" Vulnerability that is documented at the following Microsoft Web site is also included:
In addition to eliminating the preceding vulnerabilities, this patch also protects against several other vulnerabilities that are listed in the "More Information" section.
Resolution
To resolve this problem, obtain the latest service pack for Internet Explorer version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
276369 How to Obtain the Latest Internet Explorer 5.5 Service Pack
To resolve this problem, obtain the latest service pack for Internet Explorer version 5.01. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
267954 How to Obtain the Latest Internet Explorer 5.01 Service Pack

Patch Availability

While this patch is part of Internet Explorer 5.5 Service Pack 1, you can also obtain the individual patch by viewing the following Microsoft Web site: NOTE: This update may not appear on the Microsoft Windows Update Web site, or you may receive the following message when you are installing this update from the Microsoft.com Web site:
This update does not need to be installed on this system.
Updates are available only for Internet Explorer 4.01 SP2, 5.01, 5.01 SP1, and 5.5. Internet Explorer versions 4.0, 4.01 SP1, and 5.0 are also vulnerable to this behavior. If your browser is a version of Internet Explorer (4.0 or later) other than 4.01 SP2, 5.01, 5.01 SP1, or 5.5, your computer is still vulnerable. Microsoft recommends that you upgrade to the latest version of Internet Explorer and then install this patch.

If you are running Internet Explorer 5.5, you can install Internet Explorer 5.5 Service Pack 1 to resolve this behavior. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
276369 How to Obtain the Latest Internet Explorer 5.5 Service Pack
For additional information about how to determine which version of Internet Explorer is installed, click the article number below to view the article in the Microsoft Knowledge Base:
164539 How to Determine Which Version of Internet Explorer Is Installed
The English version of this fix should have the following file attributes or later:
Internet Explorer 5.5File name    Size            Date           Time         Version-----------------------------------------------------------------------Asctrls.ocx  110,864         07/28/2000     2:16:40 PM   5.50.4207.2600Mshtml.dll   2,744,592       07/28/2000     3:25:48 PM   5.50.4207.2601Internet Explorer 5.01File name      Size          Date           Time          Version-----------------------------------------------------------------------Mshtml.dll     2,353,424     07/26/2000     3:11:00 PM    5.0.3019.2500Shdocvw.dll    1,095,952     06/22/2000     2:42:46 PM    5.0.3018.2200Urlmon.dll     449,808       05/03/2000     2:12:56 PM    5.0.3017.300Wininet.dll    460,560       05/12/2000     12:23:28 PM   5.0.3017.1200Internet Explorer 5.01 SP1File name     Size        Date           Time          Version---------------------------------------------------------------------------Mshtml.dll    2,353,424   07/27/2000     8:25:38 AM    5.0.3207.2500Shdocvw.dll   1,095,952   07/27/2000     10:44:12 AM   5.0.3207.2200Internet Explorer 4.01 SP2 (Windows 95/98)File name    Size       Date      Time             Version---------------------------------------------------------------------------Mshtml.dll   2,424,592  8/04/00   2:31:38 PM       4.72.3720.4000Wininet.dll  373,008    2/23/00   5:11:40 PM       4.72.3714.2300Internet Explorer 4.01 SP2 (Windows NT 4.0)File name    Size        Date      Time             Version---------------------------------------------------------------------------Mshtml.dll   2,424,080   8/04/00   3:30:08 PM       4.72.3720.4000Wininet.dll  373,008     2/23/00   5:33:18 PM       4.72.3714.2300				
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Internet Explorer version 5.5 Service Pack 1. This problem was first corrected in Internet Explorer version 5.01 Service Pack 2.
More information
For information about previous updates that are included in this patch, please view the following Microsoft Web site: Also, for computers that are running Internet Explorer 5.5 only, this patch also eliminates the vulnerability described in Microsoft Security Bulletin MS00-042. For additional security-related information about Microsoft products, please view the following Microsoft Web site:
Properties

Article ID: 269368 - Last Review: 06/19/2014 08:36:00 - Revision: 6.0

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