[NT] Web Server 4D/eCommerce Directory Traversal Vulnerability

From: support@securiteam.com
Date: 01/17/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Thu, 17 Jan 2002 08:29:11 +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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  Web Server 4D/eCommerce Directory Traversal Vulnerability
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SUMMARY

 <http://www.mdg.com/> Web Server 4D/eCommerce is a single application
that includes a shopping cart, credit card authorization, and order
tracking. A vulnerability exists in WS4D/eCommerce that could allow an
unauthorized user to gain access to a known file residing on the target
host.

DETAILS

Vulnerable systems:
Web Server 4D/eCommerce version 3.5.3

The security vulnerability is possible by using a specially crafted URL
composed of double dot "../" directory traversal sequences, with HTTP
encoded character representations substituted for "/" and "\".

Example:
http://host/%2f..%2f..%2f../ws4d.log.txt

ADDITIONAL INFORMATION

The information has been provided by <mailto:ts@securityoffice.net> Tamer
Sahin.

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