Joomla! Art Uploader Module Arbitrary File Upload Vulnerability

SECUNIA ADVISORY ID:
SA49531

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49531/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49531

RELEASE DATE:
2012-06-13
DESCRIPTION:
Sammy Forgit has discovered a vulnerability in the Art Uploader
module for Joomla!, which can be exploited by malicious people to
compromise a vulnerable system.

The vulnerability is caused due to the
modules/mod_artuploader/upload.php script allowing the upload of
files with arbitrary extensions to a folder inside the webroot. This
can be exploited to execute arbitrary PHP code by uploading a
malicious PHP script.

The vulnerability is confirmed in version 1.0.1. Other versions may
also be affected.

SOLUTION:
Restrict access to the modules/mod_artuploader/upload.php script
(e.g. via .htaccess).

PROVIDED AND/OR DISCOVERED BY:
Sammy Forgit, OpenSysCom.

ORIGINAL ADVISORY:
OpenSysCom:
http://www.opensyscom.fr/Actualites/joomla-modules-art-uploader-arbitrary-file-upload-vulnerability.html

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