GForge Input Validation Hole in 'advanced_search.php' Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1017482 |
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SecurityTracker URL: http://securitytracker.com/id/1017482
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CVE Reference:
CVE-2007-0176
(Links to External Site)
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Updated: May 20 2008
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Original Entry Date: Jan 9 2007
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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): 4.5.11
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Description:
A vulnerability was reported in GForge. A remote user can conduct cross-site scripting attacks.
The 'advanced_search.php' script does not properly filter HTML code from user-supplied input in the 'words' parameter before displaying the input. 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 GForge 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.
To exploit any attacker may send via GET method the "words" variable to:
A demonstration exploit 'words' value is provided:
>"<script>alert('www.eazel.es')</script>
Jose Ramon Palanco discovered this vulnerability.
The original advisory is available at:
http://www.eazel.es/advisory006-gforge-cross-site-scripting-vulnerability.html
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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 GForge 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.gforge.org/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
None.
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Source Message Contents
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Date: 8 Jan 2007 21:54:01 -0000
Subject: GForge Cross Site Scripting vulnerability
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GForge Cross Site Scripting vulnerability
Version: Tested on GForge 4.5.11
Discovered by: José Ramón Palanco: jose.palanco(at)eazel(dot)es
http://www.eazel.es
Description:
GForge is vulnerable to a security vulnerability that allow Cross-Site Scripting attacks. Due to improper filtering, a remote attacker
can cause a cross site scripting.
To exploit any attacker may send via GET method the "words" variable to:
>"<script>alert('www.eazel.es')</script>
to http://site/search/advanced_search.php?group_id=X&search=1
where X is any active project in the gforge installation.
Timeline:
discovered: 26/10/2006
published: 8/01/2007
Original advisory:
http://www.eazel.es/advisory006-gforge-cross-site-scripting-vulnerability.html
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