SECUNIA ADVISORY ID: SA45841 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/45841/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=45841 RELEASE DATE: 2011-09-02DESCRIPTION: A vulnerability has been discovered in the Simple File Upload module for Joomla!, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to the modules/mod_simplefileuploadv1.2/helper.php script not properly validating uploaded files, which can be exploited to execute arbitrary PHP code by uploading a PHP file with e.g. an appended ".gif" file extension. The vulnerability is confirmed in version 1.2 and reported in version 1.3. Other versions may also be affected. SOLUTION: Update to version 1.3 released on August 31st, 2011 or later. PROVIDED AND/OR DISCOVERED BY: Reported by the Joomla! VEL team. ORIGINAL ADVISORY: Simple File Upload: http://wasen.net/index.php?option=com_content&view=article&id=64&Itemid=59 http://www.wasen.net/index.php?option=com_content&view=article&id=85:simple-file-upload-v13&catid=40:project-simple-file-upload&Itemid=69 Joomla!: http://docs.joomla.org/Vulnerable_Extensions_List#Simple_File_Upload