CVE-2023-24028 : Security Advisory and Response

This CVE-2023-24028 report was published on January 20, 2023, by MITRE. It highlights a security vulnerability found in MISP 2.4.167 related to incorrect access control in the ACLComponent.php file.

Understanding CVE-2023-24028

This section will delve deeper into the details of CVE-2023-24028, including the vulnerability's description, impact, affected systems, exploitation mechanism, and mitigation strategies.

What is CVE-2023-24028?

CVE-2023-24028 refers to a security flaw present in MISP version 2.4.167 within the ACLComponent.php file. The issue pertains to incorrect access control for the decaying import function, potentially exposing systems to unauthorized access.

The Impact of CVE-2023-24028

This vulnerability could allow malicious actors to exploit the access control flaw and gain unauthorized access to sensitive information stored within MISP 2.4.167. It poses a significant risk to the confidentiality and integrity of the data within the affected systems.

Technical Details of CVE-2023-24028

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism associated with CVE-2023-24028.

Vulnerability Description

The vulnerability in MISP 2.4.167 lies in the incorrect access control implemented for the decaying import function within the ACLComponent.php file. This oversight could enable attackers to bypass intended restrictions and perform unauthorized actions.

Affected Systems and Versions

The affected entity in this CVE is MISP version 2.4.167. Any system running this specific version is at risk of exploitation due to the access control vulnerability present in the ACLComponent.php file.

Exploitation Mechanism

Malicious actors could potentially exploit this vulnerability by leveraging the inadequate access control mechanism associated with the decaying import function in MISP 2.4.167. This could lead to unauthorized data manipulation and security breaches.

Mitigation and Prevention

To address CVE-2023-24028 and enhance the security posture of affected systems, proactive mitigation and prevention measures need to be implemented.

Immediate Steps to Take

It is crucial to update MISP to a patched version that addresses the access control vulnerability within the ACLComponent.php file. Additionally, organizations should restrict access to vulnerable components and monitor for any suspicious activities.

Long-Term Security Practices

Implementing robust access control mechanisms, conducting regular security audits, and providing comprehensive security training to staff members can help prevent similar vulnerabilities from being exploited in the future.

Patching and Updates

Regularly applying security patches and updates provided by MISP is essential to ensure that known vulnerabilities are addressed promptly. Stay informed about security advisories and take proactive steps to secure your systems.