CVE-2020-15412 : Vulnerability Insights and Analysis

An issue was discovered in MISP 2.4.128. app/Controller/EventsController.php lacks an event ACL check before proceeding to allow a user to send an event contact form.

Understanding CVE-2020-15412

This CVE entry describes a vulnerability in MISP version 2.4.128 that could potentially allow a user to send an event contact form without proper authorization.

What is CVE-2020-15412?

The vulnerability in MISP 2.4.128 allows unauthorized users to send event contact forms due to the absence of an event ACL check in the EventsController.php file.

The Impact of CVE-2020-15412

This vulnerability could lead to unauthorized access and potential misuse of the event contact form feature in MISP, compromising the confidentiality and integrity of the system.

Technical Details of CVE-2020-15412

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue lies in the EventsController.php file of MISP 2.4.128, where the lack of an event ACL check allows users to send event contact forms without proper authorization.

Affected Systems and Versions

Affected Version: MISP 2.4.128
Systems: All instances running MISP 2.4.128 are vulnerable to this issue.

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by accessing the event contact form feature without the necessary permissions, potentially leading to unauthorized actions.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Update MISP to the latest version to patch the vulnerability.
Implement proper access controls and permissions to restrict unauthorized access to sensitive features.

Long-Term Security Practices

Regularly monitor and audit access controls within MISP to ensure proper authorization.
Educate users on the importance of following security protocols and permissions.

Patching and Updates

Apply patches and updates provided by MISP to fix the vulnerability and enhance system security.