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Vulnerability Score 4.3 4.3
CVE Id CVE-2005-2089
Last Modified 05 Sep 2008 04:50:51
Published 05 Jul 2005 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact PARTIAL PARTIAL
Availability Impact NONE NONE
Access Vector NETWORK
Access Complexity MEDIUM
Authentication NONE



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 "Transfer-Encoding: chunked" 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 "HTTP Request Smuggling."

Vulnerable Systems


  • Microsoft Internet Information Server 5.0

  • Microsoft Internet Information Server 6.0




BUGTRAQ - 20050606 A new whitepaper by Watchfire - HTTP Request Smuggling

XF - microsoft-iis-hrs(42899)

Last Updated: 27 May 2016 10:40:24