CVE-2023-4347 : Vulnerability Insights and Analysis

This CVE involves a Cross-site Scripting (XSS) vulnerability reflected in the GitHub repository librenms/librenms before version 23.8.0.

Understanding CVE-2023-4347

This section will delve into the details of the CVE-2023-4347 vulnerability.

What is CVE-2023-4347?

CVE-2023-4347 is a Cross-site Scripting (XSS) vulnerability found in the GitHub repository librenms/librenms prior to version 23.8.0. This type of vulnerability allows attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-4347

This vulnerability can have a high impact on the integrity of the affected systems as it allows attackers to execute malicious scripts within the context of a user's browser. It can result in unauthorized access to sensitive information or unauthorized actions on behalf of the user.

Technical Details of CVE-2023-4347

In this section, we will explore the technical aspects of CVE-2023-4347.

Vulnerability Description

The vulnerability arises due to improper neutralization of input during web page generation, also known as 'Cross-site Scripting' (CWE-79). It can be exploited by attackers to execute scripts in a victim's browser.

Affected Systems and Versions

The affected product is librenms/librenms, with versions earlier than 23.8.0 being susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into input fields or parameters that are not properly sanitized. When a victim interacts with these compromised elements, the injected script gets executed in their browser context.

Mitigation and Prevention

To address CVE-2023-4347 and prevent exploitation, certain steps need to be taken by users and organizations.

Immediate Steps to Take

Update to the latest version (23.8.0) of librenms/librenms to patch the vulnerability.
Implement input validation and output encoding to prevent XSS attacks.
Regularly monitor and audit the application for any suspicious activities.

Long-Term Security Practices

Educate developers and users on secure coding practices to avoid introducing XSS vulnerabilities.
Conduct regular security assessments and code reviews to identify and mitigate security risks.
Stay informed about security updates and patches released by the software vendors.

Patching and Updates

It is crucial for organizations to stay vigilant about software updates and security patches. Applying timely updates and patches provided by librenms/librenms can help in mitigating the risks associated with CVE-2023-4347.