SillySearch Input Validation Bug Lets Remote Users Conduct Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1009598
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Mar 30 2004
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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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Fix Available: Yes
Exploit Included: Yes
Vendor Confirmed: Yes
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Advisory: SystemSecure.org
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Version(s): prior to 2.4
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Description: SmOk3 from SystemSecure.org reported an input validation vulnerability in SillySearch. A remote user can conduct cross-site scripting attacks.
It is reported that the script does not filter HTML code from user-supplied input in the search form. 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 SillySearch 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.
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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
SillySearch 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: The vendor has released a fixed version (2.4), available at:
http://tesol.net/scripts/SillySearch/#download
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Vendor URL: tesol.net/scripts/SillySearch/ (Links to External Site)
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Cause: Input validation error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Reported By: xxx xxx <smok3f00@hotmail.com>
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Message History:
None.
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Source Message Contents
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Date: Tue, 30 Mar 2004 21:23:36 +0000
From: xxx xxx <smok3f00@hotmail.com>
Subject: SillySearch v2.3 XSS attack
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*SystemSecure.org Advisory*
Reported: 27-03-2004
Software: SillySearch
Vendor: Warned and fixed the problem
Website: http://www.tesol.net/scripts/SillySearch/sillysearch.html
This PERL/CGI website search, suffers from a XSS attack
in search form variable. This can be exploited by including arbitrary HTML
or script code in the field, which will cause it to be executed in a
user's browser session when viewed.
Attack example:
<script>alert(document.domain);</script>
Solution:
Upgrade to version 2.4 [Released 03/28/2004]
Discovered by SmOk3
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