Microsoft w3wp (aka w3wp.exe) does not properly handle when the AspCompat directive is not used when referencing COM components in ASP.NET, which allows remote attackers to cause a denial of service (resource consumption or crash) by repeatedly requesting each of several documents that refer to COM components, or are restricted documents located under the ASP.NET application path.
hackingspirits.com/vuln-rnd/w3wp-remote-dos.zip
lists.grok.org.uk/pipermail/full-disclosure/2006-March/044291.html
lists.grok.org.uk/pipermail/full-disclosure/2006-March/044292.html
securitytracker.com/id?1015825
www.securiteam.com/windowsntfocus/5KP0O0KI0Y.html
www.securityfocus.com/archive/1/428622/100/0/threaded
www.securityfocus.com/bid/17188
exchange.xforce.ibmcloud.com/vulnerabilities/25392
www.exploit-db.com/exploits/1601