Internet Information Services Other Vulnerability - CVE-2005-2089
Microsoft IIS 5.0 and 6.0 allows remote attackers to poison the web cache bypass web application firewall protection and conduct XSS attacks via an HTTP request with both a quotTransfer-Encoding: chunkedquot header and a Content-Length header which causes IIS to incorrectly handle and forward the body of the request in a way that causes the receiving server to process it as a separate HTTP request aka quotHTTP Request Smuggling.quot