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Date: Thu, 12 Feb 2004 18:31:44 -0600
From: "Alun Jones" <alun@...is.com>
To: "'Peter J. Holzer'" <hjp@....ac.at>, <bugtraq@...urityfocus.com>
Subject: RE: Apache Http Server Reveals Script Source Code to Remote Users And    Any Users Can Access The Forbidden Directory ("/WEB-INF/")


> -----Original Message-----
> From: Peter J. Holzer [mailto:hjp@....ac.at] 
> Sent: Wednesday, February 11, 2004 6:50 AM
> 
> Right. On Unix "WEB-INF" and "WEB-INF.." are two different, legal file
> names. On Windows, trailing dots seem to be ignored, so "WEB-INF" and
> "WEB-INF.." are just two names for the same file. This also 
> works if the
> filename already has an extension, so for example "foo.html" and
> "foo.html....." are the same file, too. I wonder whether that can be
> exploited, too: Get the contents of a CGI script by requesting
> "foo.cgi."?

It's been done before - certainly in IIS, there was a bug where getting a
"filename.asp." URL gave you the source of the ASP script.  Same for
"filename.asp:$DATA".

Alun.
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