WebApp Sec mailing list archives

RE: Double Slashes


From: "Auri Rahimzadeh" <Auri () auri net>
Date: Thu, 4 Aug 2005 08:58:11 -0500


Look at URLScan and the IIS Locktown Utility. Just search for it at Microsoft's web site.

Best,

-Auri
 Author
 "Geek My Ride" (available at Amazon and most bookstores!)
 www.GeekMyRide.net
---------- Original Message ----------------------------------
From: Jeff Robertson <Jeff.Robertson () DigitalInsight com>
Date:  Thu, 4 Aug 2005 09:45:11 -0400

This is very similar to what is being talked about wrt to Apache in the
thread of messaeges called "Heavy Security Issue" today. Maybe IIS had
something similar, and this is how they fixed it.

-----Original Message-----
From: Andres Molinetti [mailto:andymolinetti () hotmail com]
Sent: Thursday, August 04, 2005 9:30 AM
To: pen-test () securityfocus com
Cc: webappsec () securityfocus com
Subject: Double Slashes


Is there anyway to encode a "//" in a GET request to an .ASP page in IIS 5.0

(patched up2date)

For example..

GET /dir1//dir2.asp HTTP/1.0

IIS seems to convert to a single slash the following ones:
//
\\
/./
/../
///////// ...

Not sure if it is some fix to old unicode and double enconding bugs.

Regards,

Andy

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