CVE-2018-3004 : Exploit Details and Defense Strategies

Oracle Database Server Java VM component vulnerability affecting versions 11.2.0.4, 12.1.0.2, 12.2.0.1, and 18.2.

Understanding CVE-2018-3004

A vulnerability in the Java VM component of Oracle Database Server that could allow unauthorized access to critical data.

What is CVE-2018-3004?

The vulnerability affects Oracle Database versions 11.2.0.4, 12.1.0.2, 12.2.0.1, and 18.2. It requires low privileged access and network connectivity through multiple protocols to exploit.

The Impact of CVE-2018-3004

Successful exploitation can lead to unauthorized access to critical data or complete access to all data accessible by the Java VM.
CVSS 3.0 Base Score rates the Confidentiality impact at 5.3.

Technical Details of CVE-2018-3004

A vulnerability in the Java VM component of Oracle Database Server.

Vulnerability Description

Low privileged attacker with network access can compromise Java VM.

Affected Systems and Versions

Oracle Database versions 11.2.0.4, 12.1.0.2, 12.2.0.1, and 18.2.

Exploitation Mechanism

Attacker needs low privileged access, network connectivity through multiple protocols, and privileges to create sessions and procedures.

Mitigation and Prevention

Steps to address the CVE-2018-3004 vulnerability.

Immediate Steps to Take

Apply patches provided by Oracle promptly.
Monitor for any unauthorized access or unusual activities.

Long-Term Security Practices

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

Patching and Updates

Stay informed about security updates and advisories from Oracle.