[NT] Web Traversal Vulnerability in PCI NetSupport Manager

From: support@securiteam.com
Date: 03/23/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Sat, 23 Mar 2002 16:59:24 +0100 (CET)

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  Web Traversal Vulnerability in PCI NetSupport Manager
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SUMMARY

PCI are the developers of the NetSupport range of award winning solutions;
comprising of powerful Remote Control, Enterprise Management and IT
Training products. One of its products
<http://www.pci.co.uk/nsm/remote_control.htm> NetSupport Manager allows
remote attackers to access files that reside outside the normally bounding
HTML root directory.

DETAILS

Vulnerable systems:
PCI NetSupport Manager versions up to 7.0

Immune systems:
PCI NetSupport Manager version above 7.0

It is possible to view and download files on machines running PCI
NetSupport Manager that have the web extensions switched on (default port
80).

Example on a standard version 5.5 install (location c:\nsm) the URL to
view the boot.ini file in the root would be:
http://machinename:relevant_port/../boot.ini

Version 6 and above:
http://machinename:relevant_port/../../boot.ini

ADDITIONAL INFORMATION

The information has been provided by <mailto:watcher60@hotmail.com>
watcher60.

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