CVE-2023-37307 : Vulnerability Insights and Analysis

A detailed look at the CVE-2023-37307 vulnerability in MISP before version 2.4.172.

Understanding CVE-2023-37307

In MISP before 2.4.172, the 'title_for_layout' parameter is not correctly sanitized in Correlations, CorrelationExclusions, and Layouts.

What is CVE-2023-37307?

CVE-2023-37307 is a vulnerability in MISP that allows for improper sanitization of user input in specific fields, potentially leading to cross-site scripting attacks.

The Impact of CVE-2023-37307

The vulnerability in MISP before version 2.4.172 can be exploited by malicious actors to execute cross-site scripting attacks, compromising the security and integrity of the affected systems.

Technical Details of CVE-2023-37307

A dive into the technical aspects of the CVE-2023-37307 vulnerability in MISP.

Vulnerability Description

The issue stems from the improper handling of user-controlled input in 'title_for_layout' within certain MISP components.

Affected Systems and Versions

All versions of MISP prior to 2.4.172 are affected by CVE-2023-37307.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the 'title_for_layout' parameter, which may then be executed in the context of the victim's browser.

Mitigation and Prevention

Steps to mitigate the CVE-2023-37307 vulnerability and prevent potential exploitation.

Immediate Steps to Take

Update MISP to version 2.4.172 or newer to mitigate the vulnerability.
Monitor and restrict user input to prevent unauthorized script injections.

Long-Term Security Practices

Implement secure coding practices to ensure proper input sanitization and validation in all user-provided fields.

Patching and Updates

Regularly apply security patches and updates to MISP to address known vulnerabilities and enhance overall system security.