CVE-2023-24070 : What You Need to Know

This CVE record pertains to a vulnerability identified as CVE-2023-24070, which was published on January 23, 2023. The vulnerability was discovered in the "app/View/AuthKeys/authkey_display.ctp" file in MISP through version 2.4.167. It involves a Cross-Site Scripting (XSS) issue that occurs during the addition of an authkey via a Referer field.

Understanding CVE-2023-24070

This section will delve deeper into the nature of CVE-2023-24070, highlighting its impact, technical details, and mitigation strategies.

What is CVE-2023-24070?

The CVE-2023-24070 vulnerability specifically targets the MISP platform, impacting versions up to 2.4.167. It allows for the execution of malicious scripts within the context of the user's browser, potentially leading to unauthorized access, data theft, or other security breaches.

The Impact of CVE-2023-24070

The impact of this vulnerability lies in its ability to exploit the authentication key addition process in MISP, enabling malicious actors to inject and execute arbitrary scripts within the application's environment. This could result in the compromise of sensitive information, user credentials, or other critical data.

Technical Details of CVE-2023-24070

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism associated with CVE-2023-24070.

Vulnerability Description

The XSS vulnerability in MISP allows attackers to insert malicious scripts through the Referer field during the addition of an authentication key. These scripts can then be executed within the context of the user's browser, potentially leading to unauthorized actions or data theft.

Affected Systems and Versions

The CVE-2023-24070 vulnerability affects MISP versions up to 2.4.167. Organizations using these versions are at risk of exploitation if proper mitigation measures are not implemented promptly.

Exploitation Mechanism

By manipulating the Referer field in the authentication key addition process within MISP, threat actors can inject and execute malicious scripts, bypassing security controls and compromising the integrity of the application.

Mitigation and Prevention

To address CVE-2023-24070 and protect systems from potential exploitation, it is essential to implement immediate steps, establish long-term security practices, and ensure timely application of patches and updates.

Immediate Steps to Take

Organizations should consider implementing web application firewalls, input validation mechanisms, and strict Referer policies to mitigate the risk of XSS attacks. Additionally, raising awareness among users about the potential risks associated with malicious scripts can enhance overall security posture.

Long-Term Security Practices

Enhancing secure coding practices, conducting regular security assessments, and staying informed about emerging threats and vulnerabilities can help organizations strengthen their defenses against XSS attacks and other security risks.

Patching and Updates

It is imperative for MISP users to stay vigilant about security updates and patches released by the MISP project. Applying these updates in a timely manner can address known vulnerabilities, including CVE-2023-24070, and safeguard the system from potential exploits.