IIS 5.x Vuln Exploit released

The exploit was discovered on December 15, 2006, and made public since the end of May 2007. The design of IIS 5.x allows to bypass basic authentication by using the hit highlight feature.

Microsoft's response seems to be a bit atypical for them as it includes a section on how to reproduce the exploit. In other words: Microsoft is telling the world how to exploit their products being used by their customers. Not that the worst of those interested in it did not already know, but the one thing we need from Microsoft is not the exploit, but the patch or at least a decent work-around. And that patch is lacking. Their only defensive advice is to upgrade to IIS 6.0.

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