WordPress Multiple Meta Box 1.0 SQL Injection
Posted on 09 April 2016
Document Title: =============== WP Multiple Meta Box v1.0 - SQL Injection Vulnerability References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=1818 Release Date: ============= 2016-04-08 Vulnerability Laboratory ID (VL-ID): ==================================== 1818 Common Vulnerability Scoring System: ==================================== 5.8 Product & Service Introduction: =============================== Multi Meta Box Plugin will help you to show Wp Multiple Meta Box on Front-end by Following way. Create Multi Meta Box from Admin Panel of Add New Wp Multiple Meta Box Section. Create New Multi Meta Box by Adding Meta Box Label, Meta Field Post Type(Posts, Pages, etc), Status (Available, Un Available), Click on add meta field and fill box field (Field Type (Text Box, Text Area, Drop Down, Check Box, Radio Button), according to your selected Field Type, Fill option Below Like Meta Field Type for (Textbox), Meta Field Title, Meta Field Value for (check Box, Radio Button, Drop Down), Meta Field Required, Meta Field Place Holder for (Textbox, Text Area), Meta Field Min Length for (Textbox), Meta Field Max Length for (Textbox) You can add Multi Metabox as many as required by clicking on Add Meta Field. Admins will get that Multi Meta Box on (Post, Page, etc) as per selection of Meta Field Post Type. (Copy of the Homepage: https://wordpress.org/plugins/multi-meta-box/ ) Abstract Advisory Information: ============================== An independent vulnerability laboratory researcher discovered a remote sql-injection vulnerability in the official Wordpress Multiple Meta Box v1.0 plugin. Vulnerability Disclosure Timeline: ================================== 2016-04-08: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Agileinfoways Ltd Product: Multiple Meta Box - Wordpress Plugin (Web-Application) 1.0 Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ A remote sql-injection web vulnerability has been discovered in the official Wordpress Multiple Meta Box v1.0 plugin web-application. The vulnerability allows remote attackers and privileged user accounts to execute own sql commands to compromise the web-server or dbms. The vulnerability is located in the `id` value of the `multi_metabox_listing` action GET method request. The vulnerability is located on the server-side of the service and the request method to execute/inject is GET. The vulnerability is only with a privileged web-application user account exploitable. The vulnerable module requires at minimum 1 item for successful exploitation. The security risk of the sql-injection vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 5.9. Exploitation of the remote sql injection web vulnerability requires no user interaction and a low privileged web-application user account. Successful exploitation of the remote sql injection results in database management system, web-server and web-application compromise. Request Method(s): [+] GET Vulnerable Function(s): [+] multi_metabox_listing Vulnerable Parameter(s): [+] id Proof of Concept (PoC): ======================= The remote sql-injection web vulnerability can be exploited by privileged web-application user account without user interaction. For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue. PoC: http://localhost:8080/wordpress/wp-admin/admin.php?page=multi_metabox_listing&action=edit&id=-x[SQL-INJECTION VULNERABILITY!]-- Solution - Fix & Patch: ======================= The vulnerability can be patched by usage of a prepared statement with clear set entities in the id value of the page GET method request. Encode the input values of the parameter and restrict the input by usage of special chars. Escape the entries to prevent the vulnerability. Security Risk: ============== The security risk of the remote sql-injection web vulnerability in the wordpress multiple meta box plugin is estimated as medium. (CVSS 5.9) Credits & Authors: ================== Dr.Malware - [http://www.vulnerability-lab.com/show.php?user=Dr%20Malware] Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. 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