CVE-2021-2334 : Exploit Details and Defense Strategies
Learn about CVE-2021-2334 impacting Oracle Database - Enterprise Edition versions 12.1.0.2, 12.2.0.1, and 19c. Find out the risks, impacts, and mitigation strategies for this security flaw.
A vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server has been identified. This vulnerability affects versions 12.1.0.2, 12.2.0.1, and 19c, potentially allowing unauthorized access to sensitive data.
Understanding CVE-2021-2334
This section provides insights into the nature of the vulnerability, its impact, affected systems, and potential exploitation mechanisms.
What is CVE-2021-2334?
The vulnerability in the Oracle Database - Enterprise Edition Data Redaction component allows a low-privileged attacker with Create Session privilege and network access via Oracle Net to compromise sensitive data.
The Impact of CVE-2021-2334
Successful exploitation could lead to unauthorized updates, inserts, or deletes within Oracle Database - Enterprise Edition Data Redaction, compromising data integrity.
Technical Details of CVE-2021-2334
Explore the specifics of the vulnerability to understand affected systems, versions, and how attackers could exploit this issue.
Vulnerability Description
The vulnerability enables attackers with limited privileges to manipulate data within Oracle Database - Enterprise Edition Data Redaction, potentially leading to unauthorized data access.
Affected Systems and Versions
Oracle Database - Enterprise Edition versions 12.1.0.2, 12.2.0.1, and 19c are impacted by this vulnerability.
Exploitation Mechanism
Attackers need Create Session privilege and network access via Oracle Net to exploit this vulnerability, requiring human interaction beyond the attacker.
Mitigation and Prevention
Learn how to safeguard your systems against CVE-2021-2334 with immediate steps and long-term security practices.
Immediate Steps to Take
Organizations should apply security patches provided by Oracle promptly to mitigate the risk associated with this vulnerability.
Long-Term Security Practices
Regularly monitor and update your Oracle Database - Enterprise Edition installations to prevent unauthorized access and data breaches.
Patching and Updates
Stay informed about security alerts from Oracle to ensure timely application of patches and updates to address vulnerabilities effectively.