CVE-2023-4612 : Vulnerability Insights and Analysis

This CVE, assigned by CERT-PL, highlights an Improper Authentication vulnerability in Apereo CAS that allows for Multi-Factor Authentication bypass.

Understanding CVE-2023-4612

This vulnerability in Apereo CAS can potentially lead to an authentication bypass through the jakarta.servlet.http.HttpServletRequest.getRemoteAddr method. The impact is noted as a potential Authentication Bypass (CAPEC-115) issue.

What is CVE-2023-4612?

The CVE-2023-4612 vulnerability in Apereo CAS involves improper authentication that could allow malicious actors to bypass Multi-Factor Authentication.

The Impact of CVE-2023-4612

The primary impact of this vulnerability is the potential bypass of Multi-Factor Authentication, which can compromise the security of the system and user data.

Technical Details of CVE-2023-4612

This section dives into more specific technical aspects of the vulnerability in Apereo CAS.

Vulnerability Description

The vulnerability arises from improper authentication methods within Apereo CAS, specifically in the jakarta.servlet.http.HttpServletRequest.getRemoteAddr method, enabling attackers to bypass Multi-Factor Authentication.

Affected Systems and Versions

The vulnerability affects Apereo CAS versions up to 7.0.0-RC7, while it remains uncertain if newer versions address this issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the improper authentication flaw to bypass Multi-Factor Authentication controls within Apereo CAS.

Mitigation and Prevention

To address and mitigate the risks associated with CVE-2023-4612, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Organizations using Apereo CAS should consider implementing additional security measures to compensate for the vulnerability until a patch is available.
Monitoring and auditing authentication processes can help detect any unauthorized access attempts.

Long-Term Security Practices

Regularly updating Apereo CAS and other software components to the latest secure versions can prevent vulnerabilities.
Conducting thorough security assessments and penetration testing can help identify and mitigate potential security gaps.

Patching and Updates

Users are advised to stay informed about patches released by Apereo Foundation and promptly apply updates to address the vulnerability and enhance the overall security posture of their systems.