[NT] Website Pro Path Disclosure (%20, ")

From: support@securiteam.com
Date: 02/17/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Sun, 17 Feb 2002 11:31:31 +0100 (CET)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Website Pro Path Disclosure (%20, ")
------------------------------------------------------------------------

SUMMARY

 <http://website.deerfield.com/> Website Pro by Deerfield was the first
webserver developed for the Windows operating system and has a broad user
base. A security vulnerability in the product allows remote attackers to
cause the product to reveal its true path.

DETAILS

Vulnerable systems:
Website Pro version 3.1 and prior

Certain malformed URLs result in the disclosure of the true path and
location of the website html files:
http://127.0.0.1/index.html"
Or
http://127.0.0.1/index.html%20
Will cause the server to reveal the location of the web-root:
 -----------------------------
403 Forbidden
File for URL /index.html" (C:\www root\index.html") cannot be accessed:
<pre> The filename, directory name, or volume label syntax is incorrect.
(code=123)</pre>
 -----------------------------

Impact:
The actual location of the files being served by the webserver is valuable
intelligence for the malicious attacker.

Armed with such information, constructing code that may take advantage of
flaws in scripting languages could be much simpler.

Workaround:
Ensure you are running the most recent version of Website Pro.

Vendor status:
Deerfield was notified 03/01/2002, although they acknowledged receipt of
the email advising them of the vulnerability no further action has arisen.

ADDITIONAL INFORMATION

The information has been provided by <mailto:labrat@interrorem.com> Russ
Spooner.

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