CVE-2020-2516 Explained : Impact and Mitigation

A vulnerability in the Core RDBMS component of Oracle Database Server affecting versions 12.1.0.2, 12.2.0.1, 18c, and 19c allows high privileged attackers to compromise the system.

Understanding CVE-2020-2516

This CVE involves a vulnerability in Oracle Database Server that could lead to unauthorized access to sensitive data.

What is CVE-2020-2516?

The vulnerability in the Core RDBMS component of Oracle Database Server allows attackers with specific privileges to compromise the system, potentially resulting in unauthorized data access.

The Impact of CVE-2020-2516

Successful exploitation of this vulnerability could allow attackers to perform unauthorized updates, inserts, or deletions on Core RDBMS accessible data.

Technical Details of CVE-2020-2516

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability allows high privileged attackers with specific privileges and network access to compromise the Core RDBMS component of Oracle Database Server.

Affected Systems and Versions

Oracle Database versions 12.1.0.2, 12.2.0.1, 18c, and 19c are affected.

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Integrity Impact: Low
CVSS 3.0 Base Score: 2.4 (Integrity impacts)
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Mitigation and Prevention

Steps to address and prevent the CVE-2020-2516 vulnerability.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Restrict network access to the affected system.
Monitor for any unauthorized access or activity.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement the principle of least privilege to restrict user access.
Conduct security training and awareness programs for employees.

Patching and Updates

Stay informed about security alerts and updates from Oracle Corporation.