CVE-2022-21247 : Vulnerability Insights and Analysis
Learn about CVE-2022-21247 affecting Oracle Database Server versions 12.2.0.1 and 19c. Discover the impact, technical details, and mitigation strategies for this vulnerability.
A vulnerability has been discovered in the Core RDBMS component of Oracle Database Server, impacting supported versions 12.2.0.1 and 19c. This vulnerability could be exploited by a high privileged attacker to compromise Core RDBMS, potentially resulting in unauthorized access to sensitive data.
Understanding CVE-2022-21247
This section delves into the details of the CVE-2022-21247 vulnerability.
What is CVE-2022-21247?
The vulnerability in the Core RDBMS component of Oracle Database Server affects versions 12.2.0.1 and 19c. It allows a high privileged attacker with specific privileges to compromise Core RDBMS, leading to potential unauthorized access to critical data.
The Impact of CVE-2022-21247
Successful exploitation of this vulnerability can grant attackers unauthorized read access to a subset of Core RDBMS accessible data. The CVSS 3.1 Base Score for this vulnerability is 2.7, with confidentiality impacts.
Technical Details of CVE-2022-21247
This section provides technical insights into CVE-2022-21247.
Vulnerability Description
The vulnerability allows a high privileged attacker with Create Session, Execute Catalog Role privilege and network access via Oracle Net to compromise Core RDBMS. This could potentially enable unauthorized access to critical data.
Affected Systems and Versions
The affected systems include Oracle Database Server's Core RDBMS component in versions 12.2.0.1 and 19c.
Exploitation Mechanism
Attackers with the specified privileges can exploit this vulnerability through Oracle Net, potentially compromising Core RDBMS.
Mitigation and Prevention
In this section, we look at strategies to mitigate and prevent exploitation of CVE-2022-21247.
Immediate Steps to Take
Administrators should consider immediate steps to restrict access and monitor activities until a fix is applied.
Long-Term Security Practices
Implementing strong access controls and regularly reviewing privileges can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay updated with security advisories from Oracle Corporation and promptly apply patches to address CVE-2022-21247.