CVE-2022-21393 : Security Advisory and Response

A vulnerability has been identified in the Java VM component of Oracle Database Server. The affected versions include 12.1.0.2, 12.2.0.1, 19c, and 21c, and it allows a low privileged attacker to compromise Java VM through Oracle Net.

Understanding CVE-2022-21393

This section will provide insights into the nature and impact of the vulnerability.

What is CVE-2022-21393?

The vulnerability in the Java VM component of Oracle Database Server affects versions 12.1.0.2, 12.2.0.1, 19c, and 21c. It allows a low privileged attacker with Create Procedure privilege and network access via Oracle Net to compromise Java VM. Successful exploitation can lead to partial denial of service (partial DOS) of Java VM

The Impact of CVE-2022-21393

The exploitability of this vulnerability can result in unauthorized actions which may lead to a partial denial of service affecting the Java VM.

Technical Details of CVE-2022-21393

In this section, we will delve into the specifics of the vulnerability.

Vulnerability Description

The vulnerability permits a low privileged attacker to compromise Java VM through Oracle Net, potentially causing partial DOS.

Affected Systems and Versions

The Oracle Database Server versions 12.1.0.2, 12.2.0.1, 19c, and 21c are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a low privileged attacker with Create Procedure privilege and network access via Oracle Net to compromise Java VM.

Mitigation and Prevention

Here we will explore steps to mitigate and prevent the exploitation of CVE-2022-21393.

Immediate Steps to Take

Oracle users should apply the necessary security patches to address this vulnerability promptly.

Long-Term Security Practices

Regularly update and patch Oracle Database Server to protect against potential vulnerabilities.

Patching and Updates

Keep track of security alerts and updates provided by Oracle to stay protected from known vulnerabilities.