CVE-2022-21411 Explained : Impact and Mitigation
Learn about CVE-2022-21411, a vulnerability in Oracle Database Server versions 12.1.0.2, 19c, and 21c. Understand the impact, technical details, and mitigation steps.
This article provides detailed information about CVE-2022-21411, a vulnerability in the RDBMS Gateway / Generic ODBC Connectivity component of Oracle Database Server that affects versions 12.1.0.2, 19c, and 21c.
Understanding CVE-2022-21411
CVE-2022-21411 is a vulnerability in the RDBMS Gateway / Generic ODBC Connectivity component of Oracle Database Server that allows a low privileged attacker to compromise the system.
What is CVE-2022-21411?
The vulnerability in the RDBMS Gateway / Generic ODBC Connectivity component of Oracle Database Server affects versions 12.1.0.2, 19c, and 21c. It allows an attacker with the Create Session privilege and network access via Oracle Net to gain unauthorized access to data.
The Impact of CVE-2022-21411
Successful exploitation of this vulnerability can lead to unauthorized update, insert, or delete access to RDBMS Gateway / Generic ODBC Connectivity data. It can also result in unauthorized read access to a subset of the data. The CVSS 3.1 Base Score is 5.4, with confidentiality and integrity impacts.
Technical Details of CVE-2022-21411
This section covers the technical aspects of CVE-2022-21411.
Vulnerability Description
The vulnerability in the RDBMS Gateway / Generic ODBC Connectivity component allows a low privileged attacker to compromise the system and access sensitive data.
Affected Systems and Versions
Oracle Database Server versions 12.1.0.2, 19c, and 21c are affected by this vulnerability.
Exploitation Mechanism
An attacker with the Create Session privilege and network access via Oracle Net can exploit this vulnerability.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-21411, follow the steps outlined below.
Immediate Steps to Take
Update the affected Oracle Database Server versions to the patched versions provided by Oracle. Review and restrict user privileges to minimize the impact of potential attacks.
Long-Term Security Practices
Implement least privilege access policies, regularly monitor and audit database activity, and educate users on security best practices.
Patching and Updates
Stay informed about security updates from Oracle and apply patches promptly to secure your database server.