CVE-2023-22075 : What You Need to Know

This article provides detailed information about CVE-2023-22075, a vulnerability affecting Oracle Database Sharding in Oracle Database Server.

Understanding CVE-2023-22075

CVE-2023-22075 is an easily exploitable vulnerability that allows a high privileged attacker with specific privileges to compromise Oracle Database Sharding through network access via Oracle Net. Successful attacks require human interaction from a third party and can lead to partial denial of service of Oracle Database Sharding.

What is CVE-2023-22075?

The vulnerability exists in the Oracle Database Sharding component of Oracle Database Server. It impacts supported versions between 19.3 and 19.20, as well as 21.3 and 21.11. The attacker needs Create Session, Create Any View, and Select Any Table privileges along with network access to exploit this vulnerability.

The Impact of CVE-2023-22075

Successful exploitation of CVE-2023-22075 can result in unauthorized access that allows an attacker to cause a partial denial of service (partial DOS) to Oracle Database Sharding. The CVSS 3.1 Base Score for this vulnerability is 2.4 with availability impacts.

Technical Details of CVE-2023-22075

This section outlines specific technical details related to CVE-2023-22075.

Vulnerability Description

The vulnerability in Oracle Database Sharding can be exploited by a high privileged attacker with certain privileges and network access to compromise Oracle Database Sharding, leading to potential 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. Users of these versions are at risk of exploitation if proper mitigation measures are not implemented.

Exploitation Mechanism

To exploit CVE-2023-22075, an attacker needs high privileges such as Create Session, Create Any View, and Select Any Table, along with network access via Oracle Net. Successful attacks also require interaction from individuals other than the attacker.

Mitigation and Prevention

Protecting your systems from CVE-2023-22075 requires immediate actions and long-term security practices.

Immediate Steps to Take

Immediately apply any available patches or updates provided by Oracle to address the vulnerability. Limiting network access and reviewing user privileges can also help mitigate the risk of exploitation.

Long-Term Security Practices

Regularly monitor and update your Oracle Database Server to ensure that security patches are applied promptly. Educate users on safe computing practices and restrict privileges to minimize the impact of potential vulnerabilities.

Patching and Updates

Stay informed about security advisories from Oracle and apply relevant patches and updates as soon as they are released to protect your systems from known vulnerabilities like CVE-2023-22075.