[NT] NetCharts XBRL Server Information Leakage Vulnerability
From: support@securiteam.com
Date: 02/17/03
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From: support@securiteam.com To: list@securiteam.com Date: 17 Feb 2003 22:43:33 +0200
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NetCharts XBRL Server Information Leakage Vulnerability
------------------------------------------------------------------------
SUMMARY
<http://www.visualmining.com/> NetCharts XBRL Server is a data
visualization service that generates charts and graphs, tables, and
reports. It can be used alone or in conjunction with any web
infrastructure from the simplest CGI scripts to the most sophisticated
Enterprise Application Server. A vulnerability in the product allows an
attacker sending a malformed-chunked encoding request to cause the server
to reveal sensitive information about itself.
DETAILS
Vulnerable systems:
* NetCharts XBRL Server v4.0.0 for Windows 2000
A client may connect to the target machine and deliver several requests
with an invalid chunked encoded body.
The potential for information leakage is not great but the risk is
mitigated somewhat by the unpredictability of the query-response
de-synchronization. Depending on the target site, this may be somewhat
exploitable by a malicious user to redirect other users to a specific
response by saturating the communication channels with a desired response.
Example:
==================== SNIP ====================
GET /index.jsp HTTP/1.1
Host: victim.com
Transfer-Encoding: Chunked
53636f7474
==================== SNIP ====================
ADDITIONAL INFORMATION
The information has been provided by <mailto:ts@securityoffice.net> Tamer
Sahin.
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