CVE-2021-2333 : Security Advisory and Response
Learn about CVE-2021-2333 impacting Oracle Database Server. This vulnerability allows attackers to compromise Oracle XML DB, potentially resulting in unauthorized data access. Find out the affected versions and mitigation steps.
Oracle Corporation's Oracle Database Server is impacted by a vulnerability in the Oracle XML DB component. This CVE record outlines the affected versions, impact, and mitigation steps.
Understanding CVE-2021-2333
This section provides insight into the details of the CVE-2021-2333 vulnerability.
What is CVE-2021-2333?
The vulnerability in the Oracle XML DB component of Oracle Database Server allows a high-privileged attacker with specific privileges to compromise Oracle XML DB, potentially leading to unauthorized access to critical data.
The Impact of CVE-2021-2333
Successful exploitation of this vulnerability could result in unauthorized access to critical data or complete access to all Oracle XML DB accessible data. The CVSS 3.1 Base Score is 4.9, highlighting the confidentiality impacts.
Technical Details of CVE-2021-2333
In this section, we delve into the technical aspects of CVE-2021-2333.
Vulnerability Description
The vulnerability stems from an easily exploitable loophole that enables attackers with specific privileges to compromise the Oracle XML DB. This can lead to severe data breaches and unauthorized access.
Affected Systems and Versions
The Oracle Database Server versions 12.1.0.2, 12.2.0.1, and 19c are impacted by this vulnerability, exposing them to potential exploitation.
Exploitation Mechanism
The vulnerability can be exploited by a high-privileged attacker with Alter User privilege and network access via Oracle Net, allowing them to compromise the Oracle XML DB.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent exploitation of CVE-2021-2333.
Immediate Steps to Take
Oracle recommends immediate action to secure the Oracle Database Server from potential attacks. Implementing relevant patches and updates is crucial.
Long-Term Security Practices
In the long term, maintaining strict access controls, monitoring network traffic, and staying updated with security alerts are vital for safeguarding sensitive data.
Patching and Updates
Regularly applying security patches, updates, and fixes provided by Oracle is essential to address the vulnerability in the Oracle XML DB component.