YourMembers Blind SQL Injection

`Vulnerability title: Blind SQL Injection Vulnerability in YourMembers plugin  
CVE: N/A  
Vendor: YourMembers plugin  
Product: https://github.com/YourMembers/yourmembers/tree/master/ym_trunk  
Affected version: Version 3, 29 June 2007 (https://github.com/YourMembers/yourmembers/blob/master/LICENSE)  
Google dork: inurl:ym_download_id=  
Fixed version: N/A  
Reported by: Tien Tran Dinh - [email protected]  
  
  
Details:  
  
The Blind SQL injection vulnerability has been found and confirmed within the software as an anonymous user. A successful attack could allow an anonymous attacker to access information such as username and password hashes that are stored in the database. The following URL and parameter has been confirmed to suffer from blind SQL injection:  
  
GET /?ym_download_id=<SQL Injection> HTTP/1.1  
Host: target.org  
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:32.0) Gecko/20100101 Firefox/32.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Cookie: wfvt_2871549622=5434f2560126f; wpfront-notification-bar-landingpage=1; bp-activity-oldestpage=1; __utma=9793911.1350365293.1412756050.1412756050.1412756050.1; __utmb=9793911.1.10.1412756050; __utmc=9793911; __utmz=9793911.1412756050.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided); all_RyDwsSBXVzZXJzGOTe_u0CDA-clickdesk_referrer=http%3A//www.google.com.vn/url%3Fsa%3Dt%26rct%3Dj%26q%3D%26esrc%3Ds%26source%3Dweb%26cd%3D1%26ved%3D0CB0QFjAA%26url%3Dhttp%253A%252F%252Fsdj  
Connection: keep-alive  
  
Vulnerable file: ym_trunk/includes/ym-download_functions.include.php  
Vulnerable code: (Line: 313 -> 329)  
function ym_get_download($id=false) {  
global $wpdb, $ym_dl_db;  
  
$row = new stdClass();  
$row->id = $row->title = $row->filename = $row->postDate = $row->members = $row->user = false;  
  
if ($id) {  
$sql = 'SELECT id, title, filename, postDate, members, user  
FROM ' . $ym_dl_db . '  
WHERE id = ' . $id;  
$row = $wpdb->get_row($sql);  
}  
  
return $row;  
}  
  
Credits: Thanks to Pham Kien Cuong ([email protected]), Dang Quoc Thai ([email protected]), Le Ngoc Phi ([email protected])  
  
`