GraceMedia Media Player Plugin up to 1.0 on WordPress ajax_controller.php cfg command injection

Summaryinfo

A vulnerability was found in GraceMedia Media Player Plugin up to 1.0 on WordPress. It has been rated as critical. The impacted element is an unknown function of the file /gracemedia-media-player/templates/files/ajax_controller.php. The manipulation of the argument cfg leads to command injection. This vulnerability is documented as CVE-2019-9618. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to replace the affected component with an alternative.

Detailsinfo

A vulnerability was found in GraceMedia Media Player Plugin up to 1.0 on WordPress (Multimedia Player Software). It has been rated as critical. This issue affects an unknown function of the file /gracemedia-media-player/templates/files/ajax_controller.php. The manipulation of the argument cfg with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The GraceMedia Media Player plugin 1.0 for WordPress allows Local File Inclusion via the "cfg" parameter.

The bug was discovered 02/06/2019. The weakness was released 03/13/2019 by Manuel García Cárdenas as WordPress Plugin GraceMedia Media Player 1.0 - Local File Inclusion as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The vendor was not involved in the public release. The identification of this vulnerability is CVE-2019-9618 since 03/06/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK. The following code is the reason for this vulnerability:

require_once($_GET['cfg']);

A public exploit has been developed by Manuel García Cárdenas and been published immediately after the advisory. The exploit is available at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 35 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:gracemedia-media-player/templates/files/ajax_controller.php it is possible to find vulnerable targets with Google Hacking.

The problem might be mitigated by replacing the product with as an alternative.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46537). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Multimedia Player Software

Name

• GraceMedia Media Player Plugin

Version

• 1.0

CPE 2.3info

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• 🔍

CPE 2.2info

• 🔍
• 🔍

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Be aware that VulDB is the high quality source for vulnerability data.

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