CVE-2023-4982 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-4982, a Cross-site Scripting (XSS) vulnerability stored in the GitHub repository librenms/librenms prior to version 23.9.0.

Understanding CVE-2023-4982

CVE-2023-4982 refers to a critical Cross-site Scripting (XSS) vulnerability identified in the GitHub repository librenms/librenms.

What is CVE-2023-4982?

CVE-2023-4982 is a security flaw that allows malicious actors to inject and execute malicious scripts within a web application, leading to varying degrees of damage such as data theft, unauthorized access, and more.

The Impact of CVE-2023-4982

The vulnerability can have severe consequences on affected systems, including compromising user data, executing unauthorized actions, and potentially gaining full control over the application.

Technical Details of CVE-2023-4982

This section delves into the technical aspects of the CVE-2023-4982 vulnerability.

Vulnerability Description

The vulnerability arises due to improper neutralization of input during web page generation, specifically related to Cross-site Scripting (XSS) attacks (CWE-79).

Affected Systems and Versions

The affected product is librenms/librenms, with versions prior to 23.9.0 being susceptible to this XSS vulnerability.

Exploitation Mechanism

Exploiting CVE-2023-4982 involves injecting malicious scripts into the web application, which can be triggered when unsuspecting users interact with the compromised web page.

Mitigation and Prevention

To address CVE-2023-4982 and enhance system security, certain mitigation strategies and preventive measures should be implemented.

Immediate Steps to Take

Users and administrators should update librenms/librenms to version 23.9.0 or newer to mitigate the vulnerability.
Regularly monitor web application inputs and ensure proper validation to prevent XSS attacks.

Long-Term Security Practices

Implement a secure coding environment that includes input validation, output encoding, and proper security controls.
Conduct regular security audits and penetration testing to identify and remediate vulnerabilities proactively.

Patching and Updates

Stay informed about security updates and patches released by librenms/librenms and promptly apply them to ensure system security against known vulnerabilities like CVE-2023-4982.