CVE-2023-22074 : Exploit Details and Defense Strategies

This CVE record pertains to a vulnerability found in the Oracle Database Sharding component of the Oracle Database Server. The affected versions include 19.3 to 19.20 and 21.3 to 21.11. This vulnerability allows a high-privileged attacker with specific privileges to compromise the Oracle Database Sharding, potentially leading to a partial denial of service. The CVSS 3.1 Base Score for this vulnerability is rated at 2.4 with availability impacts.

Understanding CVE-2023-22074

In this section, we will delve deeper into the nature of CVE-2023-22074 and its impact.

What is CVE-2023-22074?

CVE-2023-22074 is an easily exploitable vulnerability that enables a high-privileged attacker with specific privileges and network access to compromise the Oracle Database Sharding component, potentially resulting in a partial denial of service. Successful exploitation requires human interaction from a person other than the attacker.

The Impact of CVE-2023-22074

Successful attacks exploiting CVE-2023-22074 can lead to unauthorized ability to cause a partial denial of service in Oracle Database Sharding. This can have disruptive consequences for the affected systems and may compromise data integrity.

Technical Details of CVE-2023-22074

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in the Oracle Database Sharding component allows a high-privileged attacker to compromise Oracle Database Sharding, resulting in a partial denial of service.

Affected Systems and Versions

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

Exploitation Mechanism

An attacker with Create Session and Select Any Dictionary privilege, along with network access via Oracle Net, can exploit this vulnerability. Successful attacks require human interaction from an individual other than the attacker.

Mitigation and Prevention

Now, let's focus on the mitigation strategies and preventive measures for addressing CVE-2023-22074.

Immediate Steps to Take

It is crucial to apply security patches and updates provided by Oracle to mitigate the vulnerability. Additionally, limiting privileged access and monitoring network traffic can help prevent successful exploitation.

Long-Term Security Practices

Establishing a robust access control policy, conducting regular security audits, and providing security awareness training to personnel can enhance the overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security advisories from Oracle and promptly apply patches and updates to ensure the protection of Oracle Database Sharding and other vulnerable systems from potential threats.