CVE-2023-21936 Explained : Impact and Mitigation

This CVE-2023-21936 information describes a vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards, specifically affecting versions prior to 9.2.7.3. The vulnerability can be easily exploited by a low-privileged attacker with network access via HTTP, potentially leading to unauthorized data access and manipulation within JD Edwards EnterpriseOne Tools.

Understanding CVE-2023-21936

This section delves into the details of the CVE-2023-21936 vulnerability, highlighting its impact, technical aspects, and mitigation strategies.

What is CVE-2023-21936?

CVE-2023-21936 is an easily exploitable vulnerability that allows a low-privileged attacker, with network access via HTTP, to compromise JD Edwards EnterpriseOne Tools. Successful exploitation requires human interaction from a person other than the attacker. The vulnerability could significantly impact various products beyond JD Edwards EnterpriseOne Tools.

The Impact of CVE-2023-21936

Successful exploitation of CVE-2023-21936 could result in unauthorized update, insert, or delete access to JD Edwards EnterpriseOne Tools' data. Additionally, it could lead to unauthorized read access to a subset of the accessible data within the tools. The CVSS 3.1 Base Score for this vulnerability is 5.4, with confidentiality and integrity impacts identified.

Technical Details of CVE-2023-21936

In this section, we explore the technical aspects of CVE-2023-21936, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards, particularly in the Web Runtime SEC component. It is present in versions prior to 9.2.7.3 and can be exploited via network access over HTTP.

Affected Systems and Versions

The affected product is JD Edwards EnterpriseOne Tools by Oracle Corporation. Versions prior to 9.2.7.3 are vulnerable to CVE-2023-21936, with a specific focus on the Web Runtime SEC component.

Exploitation Mechanism

To exploit CVE-2023-21936, a low-privileged attacker must have network access via HTTP. Successful attacks necessitate human interaction from a party other than the attacker. While the vulnerability resides in JD Edwards EnterpriseOne Tools, the impact could extend to other related products, amplifying the scope of the vulnerability.

Mitigation and Prevention

This section outlines the steps that can be taken to mitigate the risks posed by CVE-2023-21936 and prevent potential exploitation.

Immediate Steps to Take

Update JD Edwards EnterpriseOne Tools to version 9.2.7.3 or higher to eliminate the vulnerability.
Implement strict access controls and monitoring to limit unauthorized access to the system.
Educate users and staff on safe browsing practices to minimize the risk of human interaction-related exploits.

Long-Term Security Practices

Regularly assess and update the security posture of JD Edwards EnterpriseOne Tools and related systems.
Conduct thorough security audits and penetration testing to identify and address potential vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories and patches released by Oracle Corporation for JD Edwards EnterpriseOne Tools. Promptly apply necessary updates and patches to ensure the system's security integrity.