CVE-2022-21603 : Security Advisory and Response

This article provides detailed information about CVE-2022-21603, a vulnerability in the Oracle Database - Sharding component of Oracle Database Server affecting versions 19c and 21c.

Understanding CVE-2022-21603

CVE-2022-21603 is a vulnerability in the Oracle Database - Sharding component of Oracle Database Server that allows a high privileged attacker with Local Logon privilege and network access to compromise the Oracle Database - Sharding. Successful exploitation can lead to a complete takeover with significant impacts on Confidentiality, Integrity, and Availability.

What is CVE-2022-21603?

CVE-2022-21603 is an easily exploitable vulnerability in Oracle Database - Sharding, affecting versions 19c and 21c. The vulnerability allows a high privileged attacker with Local Logon privilege and network access to take over the Oracle Database - Sharding.

The Impact of CVE-2022-21603

Successful exploitation of CVE-2022-21603 can result in the complete compromise and takeover of the Oracle Database - Sharding. The confidentiality, integrity, and availability of the database can be severely impacted, posing significant risks to data security.

Technical Details of CVE-2022-21603

Vulnerability Description

The vulnerability stems from inadequate security measures in the Oracle Database - Sharding component, enabling attackers with specific privileges to compromise the system and gain unauthorized access, potentially leading to a complete takeover.

Affected Systems and Versions

The vulnerability affects Oracle Database - Enterprise Edition versions 19c and 21c. Organizations using these versions are at risk of exploitation and should take immediate action to mitigate the threat.

Exploitation Mechanism

Attackers with Local Logon privilege and network access can exploit this vulnerability to compromise the Oracle Database - Sharding system. The exploit has a CVSS 3.1 Base Score of 7.2, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk posed by CVE-2022-21603, organizations should apply security patches provided by Oracle promptly. Additionally, limiting access privileges and monitoring network traffic can help prevent unauthorized exploitation.

Long-Term Security Practices

Implementing strong access control mechanisms, regularly updating and patching software, conducting security audits, and staying informed about emerging threats are essential for maintaining a secure database environment.

Patching and Updates

Keep the Oracle Database - Enterprise Edition up to date with the latest patches and security updates to address known vulnerabilities and strengthen the overall security posture of the system.