CVE-2023-6013 : Security Advisory and Response

This CVE record relates to a vulnerability in H2O software that can lead to a Local File Include attack due to a stored XSS vulnerability.

Understanding CVE-2023-6013

This section delves deeper into the details of the CVE-2023-6013 vulnerability in H2O software.

What is CVE-2023-6013?

CVE-2023-6013 is a stored XSS vulnerability in H2O software that can be exploited to carry out a Local File Include attack. The vulnerability, categorized under CWE-79, arises due to improper neutralization of input during web page generation, specifically related to cross-site scripting (XSS).

The Impact of CVE-2023-6013

The impact of CVE-2023-6013 is classified as critical with a base CVSS score of 9.3. This vulnerability does not require any special privileges for exploitation and can result in high confidentiality impact and low integrity impact. The attack complexity is low, and the attack vector is through the network.

Technical Details of CVE-2023-6013

In this section, we explore the technical aspects of CVE-2023-6013 vulnerability.

Vulnerability Description

The vulnerability in H2O software allows an attacker to execute stored XSS attacks, enabling them to include local files and potentially escalate privileges within the system.

Affected Systems and Versions

The affected vendor is h2oai, specifically the product h2oai/h2o-3. The vulnerability impacts all versions of the product where the version is unspecified but includes custom versions up to the latest release.

Exploitation Mechanism

The exploitation of CVE-2023-6013 involves leveraging the stored XSS vulnerability in H2O software to perform a Local File Include attack, thereby gaining unauthorized access to local files.

Mitigation and Prevention

Mitigating CVE-2023-6013 requires immediate actions to secure systems and prevent potential exploitation.

Immediate Steps to Take

Organizations using H2O software should apply security patches promptly to address the vulnerability.
Implement web application firewalls and input validation measures to mitigate XSS attacks.
Regularly monitor and audit web applications for any signs of malicious activities.

Long-Term Security Practices

Educate developers and users on secure coding practices to prevent XSS vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Stay informed about security updates and advisories related to H2O software to stay protected against emerging threats.

Patching and Updates

Ensure timely application of patches and updates provided by the vendor to address CVE-2023-6013 and other security vulnerabilities in H2O software. Regularly check for security advisories and implement best practices to enhance the overall security posture of the software environment.