CVE-2020-2527 : Vulnerability Insights and Analysis

A vulnerability in the Core RDBMS component of Oracle Database Server affecting versions 12.1.0.2, 12.2.0.1, 18c, and 19c.

Understanding CVE-2020-2527

This CVE involves a vulnerability in Oracle Database Server's Core RDBMS component, impacting various versions.

What is CVE-2020-2527?

The vulnerability allows a high-privileged attacker with specific privileges and network access to compromise the Core RDBMS, potentially leading to unauthorized data access.

The Impact of CVE-2020-2527

Successful exploitation can result in unauthorized read access to a subset of Core RDBMS data.
Attacks may extend beyond the Core RDBMS, impacting additional products.
CVSS 3.0 Base Score: 4.1 (Confidentiality impacts).

Technical Details of CVE-2020-2527

This section provides technical details of the CVE.

Vulnerability Description

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

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
Scope: Changed
Confidentiality Impact: Low

Mitigation and Prevention

Protecting systems from CVE-2020-2527 is crucial for maintaining security.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Restrict network access to vulnerable systems.
Monitor for any unauthorized access attempts.

Long-Term Security Practices

Regularly update and patch Oracle Database installations.
Implement the principle of least privilege for user access.
Conduct regular security assessments and audits.

Patching and Updates

Stay informed about security updates from Oracle Corporation.