CVE-2023-4951 Explained : Impact and Mitigation

This CVE-2023-4951 was published on September 14, 2023, by GreenRocketSecurity. The CVE highlights a cross-site scripting (XSS) vulnerability found in the GreenRADIUS web admin interface. The issue affects versions prior to v5.1.1.1 and was resolved in the v5.1.2.2 release.

Understanding CVE-2023-4951

The vulnerability identified in CVE-2023-4951 exposes a cross-site scripting flaw in the "Client-based Authentication Policy Configuration" screen of the GreenRADIUS web admin interface. This weakness allowed for potential attacks targeting users accessing the affected interface.

What is CVE-2023-4951?

CVE-2023-4951 refers to a specific instance of a cross-site scripting (XSS) vulnerability within the GreenRADIUS web admin interface, impacting versions up to v5.1.1.1.

The Impact of CVE-2023-4951

The impact of this vulnerability, as described in the Common Attack Pattern Enumeration and Classification (CAPEC-63), is related to Cross-Site Scripting (XSS). Exploitation of this vulnerability could lead to unauthorized access, data theft, or other malicious activities by attackers.

Technical Details of CVE-2023-4951

This section delves into the technical aspects of CVE-2023-4951, offering insights into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The identified cross-site scripting (XSS) issue allows attackers to inject malicious scripts into the affected web admin interface, potentially compromising user data or executing unauthorized actions within the system.

Affected Systems and Versions

The GreenRADIUS versions prior to v5.1.1.1 are susceptible to this XSS vulnerability. Users utilizing versions up to v5.1.1.1 are at risk of exploitation if proper mitigation measures are not implemented.

Exploitation Mechanism

The exploitation of the XSS vulnerability in CVE-2023-4951 involves injecting specially crafted scripts through the pagination function on the "Client-based Authentication Policy Configuration" screen. This can be leveraged by threat actors to execute malicious code within the web interface.

Mitigation and Prevention

To safeguard systems against potential threats associated with CVE-2023-4951, prompt mitigation and preventive measures need to be implemented.

Immediate Steps to Take

Upgrade to GreenRADIUS version 5.1.2.2 or later to mitigate the XSS vulnerability and prevent exploitation.
Implement security measures to sanitize input data and prevent unauthorized script injections within web interfaces.

Long-Term Security Practices

Regularly conduct security assessments and vulnerability scans to identify and address potential weaknesses in web applications.
Educate users and administrators on best practices for secure web administration and data handling to minimize risks.

Patching and Updates

Stay updated with security patches and software upgrades provided by GreenRocketSecurity to address known vulnerabilities and enhance the overall security posture of GreenRADIUS systems. Regularly check for new releases and apply patches promptly to mitigate risks associated with emerging threats.