CVE-2020-14741 Explained : Impact and Mitigation

A vulnerability in the Database Filesystem component of Oracle Database Server affecting versions 11.2.0.4, 12.1.0.2, and 12.2.0.1 allows attackers with specific privileges to compromise the Database Filesystem.

Understanding CVE-2020-14741

This CVE involves a vulnerability in Oracle Database Server that can lead to a denial of service (DOS) attack on the Database Filesystem.

What is CVE-2020-14741?

The vulnerability allows a high-privileged attacker with specific privileges and network access via Oracle Net to compromise the Database Filesystem, potentially causing a DOS attack.

The Impact of CVE-2020-14741

Successful exploitation of this vulnerability can result in unauthorized access to cause a hang or crash of the Database Filesystem, impacting its availability.

Technical Details of CVE-2020-14741

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the Database Filesystem component of Oracle Database Server allows attackers to compromise the Database Filesystem, leading to a DOS attack.

Affected Systems and Versions

Product: Database - Enterprise Edition
Vendor: Oracle Corporation
Affected Versions: 11.2.0.4, 12.1.0.2, 12.2.0.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Scope: Unchanged
CVSS 3.1 Base Score: 4.9 (Medium Severity)
Vector String: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Mitigation and Prevention

Protecting systems from CVE-2020-14741 is crucial to maintaining security.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Restrict network access to vulnerable systems.
Monitor for any unauthorized access or unusual system behavior.

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities.
Implement strong access controls and least privilege principles.
Conduct regular security assessments and audits.

Patching and Updates

Oracle Corporation may release patches to address this vulnerability.
Stay informed about security alerts and updates from Oracle Corporation.