CVE-2023-48659 : Exploit Details and Defense Strategies

An issue was discovered in MISP before 2.4.176. app/Controller/AppController.php mishandles parameter parsing.

Understanding CVE-2023-48659

This CVE identifies a vulnerability in MISP version 2.4.175 that mishandles parameter parsing, allowing for a potential security risk.

What is CVE-2023-48659?

CVE-2023-48659 is a vulnerability discovered in MISP software before version 2.4.176, where the AppController.php file incorrectly processes parameters, leading to a security issue.

The Impact of CVE-2023-48659

This vulnerability could be exploited by an attacker to perform cross-site scripting (XSS) attacks, potentially compromising the security and integrity of the MISP platform.

Technical Details of CVE-2023-48659

The technical details of CVE-2023-48659 include:

Vulnerability Description

The vulnerability lies in the mishandling of parameter parsing in the AppController.php file of MISP before version 2.4.176.

Affected Systems and Versions

All versions of MISP before 2.4.176 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability to execute XSS attacks, injecting malicious scripts into MISP through improper parameter parsing.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-48659, follow these steps:

Immediate Steps to Take

Update MISP to version 2.4.176 or later to patch the vulnerability.
Monitor MISP for any suspicious activities or unauthorized access.

Long-Term Security Practices

Regularly update MISP and all software components to the latest versions to address security vulnerabilities.
Implement proper input validation and output encoding practices to prevent XSS attacks.

Patching and Updates

Ensure timely application of security patches and updates to keep MISP and other systems secure.