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| 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. |
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Credit:
The information has been provided by Tamer Sahin.
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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 ====================
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