Fastream NETFile Server Input Validation Flaw Permits Remote Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1008020
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SecurityTracker URL: http://securitytracker.com/id?1008020
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CVE Reference: CVE-2003-1151
(Links to External Site)
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Updated: May 19 2008
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Original Entry Date: Oct 28 2003
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Impact: Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Exploit Included: Yes
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Version(s): 6.0.3.588
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Description: An input validation vulnerability was reported in Fastream's NETFile server. A remote user can conduct cross-site scripting attacks.
It is reported that the web server does not filter HTML code from user-supplied URLs when displaying an HTTP 404 (Not Found) error
page. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code
to be executed by the target user's browser. The code will originate from the site running the vulnerable NETFile software and will
run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication
cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take
actions on the site acting as the target user.
A demonstration exploit URL is provided:
http://[target]/<script>alert("bang")</script>
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Impact: A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the
vulnerable NETFile software, access data recently submitted by the target user via web form to the site, or take actions on the
site acting as the target user.
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Solution: No solution was available at the time of this entry.
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Vendor URL: www.fastream.com/netfileserver.htm (Links to External Site)
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Cause: Input validation error
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Underlying OS: Windows (Any)
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Reported By: "Oliver Karow" <Oliver.Karow@gmx.de>
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Message History:
None.
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Source Message Contents
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Date: Tue, 28 Oct 2003 12:53:27 +0100 (MET)
From: "Oliver Karow" <Oliver.Karow@gmx.de>
Subject: Fastream NetFile FTP/WebServer 6.0 CSS Vulnerability
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Fastream NetFile FTP/WebServer 6.0 CSS Vulnerability
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There is a Cross-Site-Scripting Vulnerability in Fastream
NetFile FTP/Webserver Version 6.0.3.588.
Requesting a non existing URL will give a "404 Not Found" answer,
containing the requested URL. It is not checked if the URL contains
script code.
Exploiting:
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http://webserver/<script>alert("bang")</script>
Vendor:
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http://www.fastream.com/NETFileServer
Credit:
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Oliver.Karow[AT]gmx.de
www.oliverkarow.de
28.10.2003
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