DefenseCode ThunderScan SAST Advisory
           WordPress Huge-IT Video Gallery Plugin
                   Security Vulnerability


Advisory ID:    DC-2017-01-009
Advisory Title: WordPress Huge-IT Video Gallery plugin SQL injection
 vulnerability
Advisory URL:     https://www.defensecode.com/advisories.php
Software:         WordPress Huge-IT Video Gallery plugin
Language:        PHP
Version:        2.0.4 and below
Vendor Status:    Vendor contacted, update released
Release Date:    2017/05/24
Risk:            High



1. General Overview
===================
During the security audit of Huge-IT Video Gallery plugin for
WordPress CMS, security vulnerability was discovered using DefenseCode
ThunderScan application source code security analysis platform.

More information about ThunderScan is available at URL:
https://www.defensecode.com


2. Software Overview
====================
According to the developers, Gallery Video plugin was created and
specifically designed to show video links in unusual splendid gallery
types supplemented of many gallery options.

According to wordpress.org, it has more than 40,000 active installs.

Homepage:
https://wordpress.org/plugins/gallery-video/
https://huge-it.com/wordpress-video-gallery/


3. Vulnerability Description
==================================
During the security analysis, ThunderScan discovered SQL injection
vulnerability in Huge-IT Video Gallery WordPress plugin.

The easiest way to reproduce the vulnerability is to visit the
provided URL while being logged in as administrator or another user
that is authorized to access the plugin settings page. Users that do
not have full administrative privileges could abuse the database
access the vulnerability provides to either escalate their privileges
or obtain and modify database contents they were not supposed to be
able to.

Due to the missing nonce token, the attacker the vulnerable code is
also directly exposed to attack vectors such as Cross Site request
forgery (CSRF).

3.1 SQL injection
  Vulnerable Function:    $wpdb->get_var( $query );
  Vulnerable Variable:    $_POST['cat_search']
  Vulnerable URL:       
https://www.vulnerablesite.com/wp-admin/admin.php?page=video_galleries_huge_it_video_gallery
  Vulnerable Body:        cat_search=DefenseCode AND (SELECT * FROM
(SELECT(SLEEP(5)))DC)
  File:                   
gallery-video\includes\admin\class-gallery-video-galleries.php
    ---------
    107    $cat_id = sanitize_text_field( $_POST['cat_search'] );
    ...
    118       $where .= " AND sl_width=" . $cat_id;
    ...
    127    $query = "SELECT COUNT(*) FROM " . $wpdb->prefix .
"huge_it_videogallery_galleries" . $where;
    128    $total = $wpdb->get_var( $query );
    ---------
 

4. Solution
===========
Vendor resolved the security issues. All users are strongly advised to
update WordPress Huge-IT Video Gallery plugin to the latest available
version.


5. Credits
==========
Discovered with DefenseCode ThunderScan Source Code Security Analyzer
by Neven Biruski.

 
6. Disclosure Timeline
======================
2017/03/31    Vendor contacted
2017/04/06    Vendor responded
2017/05/24    Advisory released to the public


7. About DefenseCode
====================
DefenseCode L.L.C. delivers products and services designed to analyze
and test web, desktop and mobile applications for security
vulnerabilities.

DefenseCode ThunderScan is a SAST (Static Application Security
Testing, WhiteBox Testing) solution for performing extensive security
audits of application source code. ThunderScan SAST performs fast and
accurate analyses of large and complex source code projects delivering
precise results and low false positive rate.

DefenseCode WebScanner is a DAST (Dynamic Application Security
Testing, BlackBox Testing) solution for comprehensive security audits
of active web applications. WebScanner will test a website's security
by carrying out a large number of attacks using the most advanced
techniques, just as a real attacker would.

Subscribe for free software trial on our website
https://www.defensecode.com/ .

E-mail: defensecode[at]defensecode.com

Website: https://www.defensecode.com
Twitter: https://twitter.com/DefenseCode/