Update for "Javascript Redirect" Vulnerability in Internet Explorer 5

ID: Q244357

The information in this article applies to:

Microsoft Internet Explorer version 5 for Windows 98
Microsoft Internet Explorer version 5 for Windows 95
Microsoft Internet Explorer version 5 for Windows NT 4.0

SYMPTOMS

Microsoft has made an update available that addresses a potential security issue in which an HTTP redirect to a javascript:url can be used to compromise security. This issue could allow a malicious Web site operator to read files on the local computer, although the intruder would have to know the name and location of the file. The vulnerability does not allow the malicious user to list the contents of folders, create, modify or delete files.

Additional information about this issue is available from the following Microsoft Web sites:

Updates are available for the following products:

Microsoft Internet Explorer 5.0 for Windows 95
Microsoft Internet Explorer 5.0 for Windows NT 4.0 (Alpha and x86)
Microsoft Windows 98
Microsoft Windows 98 Second Edition

RESOLUTION

To obtain this update, download and install the appropriate Q244357.exe file for your computer from the following Microsoft site:

http://www.microsoft.com/windows/ie/security/jsredir.htm

http://www.microsoft.com/msdownload/iebuild/jsredir/en/jsredir.htm

The English-language version of this fix should have the following file attributes or later:


   File name           Size                Date      Version
   ----------------------------------------------------------------
   Urlmon.dll          442,640 (x86)       10-25-99   5.0.2722.2500
   Urlmon.dll          719,120 (alpha)     10-25-99   5.0.2722.2500

Note that if you try to install this update on any version of Internet Explorer other than Internet Explorer 5, you receive a message that says "This update does not need to be installed on this system" when in fact the computer may be vulnerable. For additional information about Internet Explorer 4.01, click the article number below to view the article in the Microsoft Knowledge Base:

Q244356 Update for "Javascript Redirect" Vulnerability in Internet Explorer 4.01

STATUS

This issue is fixed in Internet Explorer 5.01.

Additional query words:

Keywords : kbtool msiew95 msient msiew98
Version : WINDOWS:5
Platform : WINDOWS
Issue type : kbprb