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Moderately critical

Joomla! Community Builder Enhanced Component "tabname" Local File Inclusion Vulnerability

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Release Date:  2010-10-12    Last Update:  2012-12-04    Views:  2,144

Secunia Advisory SA41741

Where:

From remote

Impact:

Exposure of system information, Exposure of sensitive information, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in Community Builder Enhanced component for Joomla!, which can be exploited by malicious users to disclose sensitive information and to potentially compromise a vulnerable system.

Input passed via the "tabname" parameter to index.php (when "option" is set to "com_cbe", "task" is set to "userProfile", "user" is set, and "ajaxdirekt" is set to "true") is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources via directory traversal sequences and URL-encoded NULL bytes.

NOTE: This can further be exploited to execute arbitrary PHP code by e.g. uploading and including specially crafted image files.

The vulnerability is reported in version 1.4.8, 1.4.9, and 1.4.10. Prior versions may also be affected.


Solution:
Update to version 1.4.11.

Provided and/or discovered by:
Delf Tonder

Original Advisory:
Joomla CBE:
http://www.joomla-cbe.de/CBE-News/cbe-1411-behebt-kritischen-sicherheitsfehler.html

Delf Tonder:
http://archives.neohapsis.com/archives/fulldisclosure/2010-10/0112.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Joomla! Community Builder Enhanced Component "tabname" Local File Inclusion Vuln

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