Programmatically check for canonicalization issues with ASP.NET
Programmatically check for canonicalization issues with ASP.NET
What You Should Know About a Reported Vulnerability in Microsoft ASP.NET...
Check here:
http://www.microsoft.com/security/incident/aspnet.mspx published on 10/6/2004
Microsoft KB article: http://support.microsoft.com/?kbid=887459 published on 10/5/2004