CVE-2023-41098 : Security Advisory and Response

A security vulnerability has been identified in MISP 2.4.174 that could allow an attacker to perform a reflected cross-site scripting (XSS) attack. Below are the details of the CVE-2023-41098 exploit and how to mitigate it.

Understanding CVE-2023-41098

MISP 2.4.174 is affected by a reflected XSS vulnerability that can be exploited via the id parameter during a dashboard edit.

What is CVE-2023-41098?

CVE-2023-41098 is a security flaw in MISP 2.4.174 that enables attackers to execute a reflected XSS attack by manipulating the id parameter during dashboard editing.

The Impact of CVE-2023-41098

This vulnerability could allow malicious actors to inject and execute malicious scripts within the context of a user's session, potentially leading to unauthorized access or sensitive data theft.

Technical Details of CVE-2023-41098

The following technical information outlines the vulnerability and its implications.

Vulnerability Description

The flaw exists in the app/Controller/DashboardsController.php file of MISP 2.4.174, enabling the execution of a reflected XSS attack when the id parameter is manipulated.

Affected Systems and Versions

All instances of MISP 2.4.174 are impacted by this vulnerability, allowing attackers to exploit the XSS issue through the id parameter manipulation.

Exploitation Mechanism

By crafting a specially-crafted request with a malicious id parameter, threat actors can trigger the XSS payload to execute within the victim's session, potentially leading to data compromise.

Mitigation and Prevention

To safeguard against the CVE-2023-41098 vulnerability, it is crucial to take immediate action and implement long-term security measures.

Immediate Steps to Take

Update MISP to the latest patched version to mitigate the XSS vulnerability.
Monitor network traffic and user activities for any signs of malicious exploitation.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user input and prevent XSS attacks.
Educate users about safe browsing practices and the risks associated with clicking on suspicious links.

Patching and Updates

Regularly apply security patches and updates provided by MISP to address vulnerabilities and enhance the platform's security posture.