CVE-2021-24384 : Exploit Details and Defense Strategies
Learn about CVE-2021-24384 affecting JoomSport WordPress plugin. Understand the vulnerability, impact, affected versions, and mitigation steps to address Unauthenticated PHP Object Injection flaw.
A security vulnerability, CVE-2021-24384, has been identified in the JoomSport WordPress plugin before version 5.1.8, allowing for Unauthenticated PHP Object Injection. This could potentially lead to severe issues such as Remote Code Execution (RCE) if exploited.
Understanding CVE-2021-24384
This section will provide detailed insights into the nature and impact of the CVE-2021-24384 vulnerability.
What is CVE-2021-24384?
The vulnerability lies in the joomsport_md_load AJAX action of the JoomSport WordPress plugin before version 5.1.8. It allows both authenticated and unauthenticated users to input unserialized data from the shattr POST parameter, resulting in a PHP Object Injection flaw.
The Impact of CVE-2021-24384
While the plugin itself may not have a direct exploit chain, the injection could be leveraged by other plugins within the environment, potentially escalating to more critical issues like RCE.
Technical Details of CVE-2021-24384
In this section, we will delve into the technical specifics of the CVE-2021-24384 vulnerability.
Vulnerability Description
The vulnerability arises from unserialized user input from the shattr POST parameter, leading to a PHP Object Injection problem.
Affected Systems and Versions
The JoomSport WordPress plugin versions prior to 5.1.8 are affected by this vulnerability.
Exploitation Mechanism
Unauthorized users can take advantage of the joomsport_md_load AJAX action to inject malicious PHP objects, potentially compromising the system.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent the exploitation of CVE-2021-24384.
Immediate Steps to Take
Users are advised to update the JoomSport plugin to version 5.1.8 or newer to address this vulnerability.
Long-Term Security Practices
Implementing secure coding practices and regularly updating plugins can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches and updates released by the plugin developer to ensure a secure environment.