[NT] Resin DOS Device Path Disclosure

From: support@securiteam.com
Date: 07/17/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Wed, 17 Jul 2002 13:00:26 +0200 (CEST)

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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  Resin DOS Device Path Disclosure
------------------------------------------------------------------------

SUMMARY

It is possible to disclose the physical path to the web root. This
information could be useful to a malicious user wishing to gain illegal
access to resources on the server.

DETAILS

Vulnerable systems:
 * Resin 2.1.1 on Windows 2000 Server
 * Resin 2.1.2 on Windows 2000 Server

Immune systems:
 * Resin 2.1.s020711 on Windows 2000 Server

Requesting certain DOS devices, such as lpt9.xtp, results in an error
message that contains the physical path to the web root.

500 Servlet Exception
java.io.FileNotFoundException: C:\Documents and
Settings\Administrator\Desktop\resin-2.1.1\resin-2.1.1\doc\aux.xtp
(Access is denied)

Vendor response:
The vendor was notified on 22 May 2002. On 12 July, we verified that the
problem was corrected in the latest build (s020711).

Corrective action:
Upgrade to a newer version. This issue was first resolved in build
s020711, available here: <http://www.caucho.com/download/index.xtp>
http://www.caucho.com/download/index.xtp

ADDITIONAL INFORMATION

The information has been provided by <mailto:pgrundl@kpmg.dk> Peter
Gründl.

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