OpenCms Input Validation Hole in Xml Content Demo Search Query Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1016158 |
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SecurityTracker URL: http://securitytracker.com/id/1016158
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CVE Reference:
CVE-2006-2571
(Links to External Site)
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Updated: Jun 13 2006
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Original Entry Date: May 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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Exploit Included: Yes
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Version(s): Tested on 6.0.0, 6.0.2, 6.0.3
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Description:
A vulnerability was reported in OpenCms. A remote user can conduct cross-site scripting attacks.
The Xml Content Demo does not properly filter HTML code from user-supplied input in the search query 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 OpenCms 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]/opencms/opencms/system/modules/org.opencms.frontend.templateone/pages/search.html?action=search&query=%22%3E%3Cscript%3Ealert%28'www.eazel.es'%29%3C%2Fscript%3E%3C!-&index=Online+project+%28VFS%29&page=1&uri=%2Fxmlcontentdemo%2Fside_el
ement_demo.html&__locale=en&query2=%3Cscript%3Ealert%28a%29%3C%2Fscript%3E
jaime.blasco(at)eazel(dot).es discovered this vulnerability.
The original advisory is available at:
http://www.eazel.es/media/advisory002-OpenCms-Xml-Content-Demo-search-engine-Cross-site-scripting.html
On June 10, 2006, David "Aesthetico" Vieira-Kurz of MajorSecurity reported that the search function of OpenCMS (not just the XML Content Demo) was vulnerable. Version 6.2.1 is affected. The original advisory is available at:
http://www.majorsecurity.de/advisory/major_rls11.txt
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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 OpenCms 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.opencms.org/ (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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Message History:
None.
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Source Message Contents
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Subject: OpenCms version 6.0.x Xml Content Demo search engine Cross site
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Version: Tested on:
- 6.0.0
- 6.0.2
- 6.0.3
Discovered by: jaime.blasco(at)eazel(dot).es
http://www.eazel.es
Description:
Input passed to the search query in the Xml Content Demo search engine isn't properly sanitised. This can be exploited to conduct
cross-site scripting attacks.
Example:
http://host/opencms/opencms/system/modules/org.opencms.frontend.templateone/pages/search.html?action=search&query=%22%3E%3Cscript%3Ealert%28'www.eazel.es'%29%3C%2Fscript%3E%3C!-&index=Online+project+%28VFS%29&page=1&uri=%2Fxmlcontentdemo%2Fside_el
ement_demo.html&__locale=en&query2=%3Cscript%3Ealert%28a%29%3C%2Fscript%3E
Original advisory: http://www.eazel.es/media/advisory002-OpenCms-Xml-Content-Demo-search-engine-Cross-site-scripting.html
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