CVE-2023-22096 Explained : Impact and Mitigation

This CVE record was published by Oracle on October 17, 2023, highlighting a vulnerability in the Java VM component of Oracle Database Server. The vulnerability affects versions 19.3-19.20 and 21.3-21.11 of the Database - Enterprise Edition. An attacker with low privileges and network access via Oracle Net can exploit this vulnerability to compromise Java VM, potentially leading to unauthorized access to data.

Understanding CVE-2023-22096

This section delves deeper into the nature of the CVE-2023-22096 vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-22096?

CVE-2023-22096 is an easily exploitable vulnerability in the Java VM component of Oracle Database Server. Attackers with low privileges and specific privileges such as Create Session and Create Procedure, combined with network access via Oracle Net, can compromise Java VM. The successful exploitation of this vulnerability can grant unauthorized access to update, insert, or delete Java VM accessible data.

The Impact of CVE-2023-22096

The impact of CVE-2023-22096 can lead to integrity impacts, as unauthorized access to Java VM data could result in unauthorized updates, inserts, or deletions. The CVSS 3.1 Base Score for this vulnerability is 4.3, indicating a medium severity level.

Technical Details of CVE-2023-22096

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism of CVE-2023-22096.

Vulnerability Description

The vulnerability allows low-privileged attackers with specific privileges and network access to compromise Java VM, potentially resulting in unauthorized access to sensitive data.

Affected Systems and Versions

This vulnerability impacts Oracle Database - Enterprise Edition versions 19.3-19.20 and 21.3-21.11.

Exploitation Mechanism

Attackers exploit this vulnerability by leveraging low privileges, specific privileges like Create Session and Create Procedure, coupled with network access via Oracle Net to compromise Java VM.

Mitigation and Prevention

To address CVE-2023-22096, immediate steps need to be taken to mitigate the risk and prevent potential exploitation. Long-term security practices and patching procedures are crucial for maintaining system integrity and security.

Immediate Steps to Take

Organizations should consider restricting network access, reviewing and adjusting privileges, and monitoring Java VM activity to counter potential exploitation.

Long-Term Security Practices

Implementing least privilege access, conducting regular security audits, and staying updated on security advisories are essential for long-term security practices.

Patching and Updates

Ensuring systems are up-to-date with the latest patches and security updates from Oracle is vital in addressing CVE-2023-22096 and strengthening overall system security posture.