CVE-2023-22077 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-22077, a vulnerability in the Oracle Database Recovery Manager component of Oracle Database Server.

Understanding CVE-2023-22077

CVE-2023-22077 is an easily exploitable vulnerability that allows a high privileged attacker with a DBA account privilege and network access via Oracle Net to compromise the Oracle Database Recovery Manager. Successful exploits of this vulnerability can lead to the unauthorized ability to cause a hang or frequently repeatable crash (complete Denial of Service) of the Oracle Database Recovery Manager.

What is CVE-2023-22077?

The vulnerability lies in the Oracle Database Recovery Manager component of Oracle Database Server. Affected versions include 19.3-19.20 and 21.3-21.11. The CVSS 3.1 Base Score is 4.9 (with availability impacts), and the CVSS Vector is (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

The Impact of CVE-2023-22077

If exploited, the vulnerability in the Oracle Database Recovery Manager can result in unauthorized hang or crash, affecting the availability of the Oracle Database Recovery Manager.

Technical Details of CVE-2023-22077

This section delves into the specific technical aspects of the CVE-2023-22077 vulnerability.

Vulnerability Description

The vulnerability allows a high privileged attacker with specific account privileges to compromise the Oracle Database Recovery Manager through network access.

Affected Systems and Versions

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

Exploitation Mechanism

An attacker with a DBA account privilege and network access via Oracle Net can exploit this vulnerability.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-22077, certain steps can be taken to enhance the security posture of affected systems.

Immediate Steps to Take

Organizations should apply patches released by Oracle promptly.
Restrict network access to the Oracle Database Recovery Manager component.

Long-Term Security Practices

Implement the principle of least privilege to restrict unnecessary access.
Regularly monitor and audit network traffic to detect any suspicious activities.

Patching and Updates

Keep systems up to date with the latest security patches and updates provided by Oracle to address the CVE-2023-22077 vulnerability.