By Microsoft This update resolves the “Indexing Services Cross Site Scripting” vulnerability in Indexing Services for Windows 2000 and is discussed in Microsoft Security Bulletin MS00-084. Download now to prevent a malicious user from introducing code on your Web server and returning it as a Web page to a visiting browser.
Indexing Services is a search engine that is integrated with Internet Information Services (IIS) 5.0 and Windows 2000 that allows browsers to perform full-text searches of Web sites. Indexing Services does not properly validate all search inputs before processing them, and is consequently vulnerable to Cross-Site Scripting (CSS). CSS allows a malicious user to “inject” code into another person’s Web session. If a malicious user is successful in exploiting this vulnerability, he or she can use a Web site hosted by your server to run code on a visting user’s browser each time it returns to your Web site.
Note Indexing Services ships and installs with Windows 2000, but is not enabled by default. If you are running Web servers on Windows 2000 and you have enabled Indexing Services, Microsoft recommends that you apply this update.
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