ASP.NET in Microsoft .NET Framework 2.0 SP1 and SP2 and 3.5 Gold and SP1, when ASP 2.0 is used in integrated mode on IIS 7.0, does not properly manage request scheduling, which allows remote attackers to cause a denial of service (daemon outage) via a series of crafted HTTP requests, aka "Remote Unauthenticated Denial of Service in ASP.NET Vulnerability."

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-1536
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-036
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6393
• http://blogs.technet.com/srd/archive/2009/08/11/ms09-035-asp-net-denial-of-service-vulnerability.aspx
• http://osvdb.org/56905
• http://secunia.com/advisories/36127
• http://www.securityfocus.com/bid/35985
• http://www.securitytracker.com/id?1022715
• http://www.us-cert.gov/cas/techalerts/TA09-223A.html
• http://www.vupen.com/english/advisories/2009/2231