CVE-2019-2517 : Vulnerability Insights and Analysis
Learn about CVE-2019-2517, a critical vulnerability in Oracle Database Server affecting versions 12.2.0.1 and 18c. Understand the impact, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in the Core RDBMS component of Oracle Database Server, affecting versions 12.2.0.1 and 18c. This vulnerability poses a significant risk of a complete takeover of the Core RDBMS by a high privileged attacker with specific privileges and network access.
Understanding CVE-2019-2517
This CVE involves a critical vulnerability in Oracle Database Server that could lead to severe consequences if exploited.
What is CVE-2019-2517?
The vulnerability in the Core RDBMS component of Oracle Database Server impacts versions 12.2.0.1 and 18c. It allows a high privileged attacker with DBFS_ROLE privilege and network access through Oracle Net to compromise the Core RDBMS, potentially leading to a complete takeover.
The Impact of CVE-2019-2517
The CVSS 3.0 Base Score for this vulnerability is 9.1, indicating severe impacts on confidentiality, integrity, and availability. If successfully exploited, it can have devastating consequences.
Technical Details of CVE-2019-2517
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows a high privileged attacker with specific privileges and network access to compromise the Core RDBMS, potentially affecting other products as well.
Affected Systems and Versions
- Product: Oracle Database
- Vendor: Oracle Corporation
- Affected Versions: 12.2.0.1, 18c
Exploitation Mechanism
The vulnerability can be exploited by a high privileged attacker with DBFS_ROLE privilege and network access through Oracle Net to compromise the Core RDBMS.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial to prevent potential security breaches.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Restrict network access to the Core RDBMS to authorized users only.
- Monitor and audit privileged user activities regularly.
Long-Term Security Practices
- Implement the principle of least privilege to restrict unnecessary access.
- Conduct regular security assessments and penetration testing to identify vulnerabilities.
Patching and Updates
Regularly update and patch Oracle Database Server to address known vulnerabilities and enhance security measures.