CVE-2018-3110 : What You Need to Know

A security flaw has been discovered in the Java VM component of Oracle Database Server, affecting versions 11.2.0.4, 12.1.0.2, 12.2.0.1, and 18. This vulnerability can be exploited by an attacker with low privileges and the ability to create sessions, along with network access via Oracle Net. The flaw, despite being in the Java VM, can have serious implications for other products. If successfully exploited, it can lead to a full takeover of the Java VM, with a CVSS 3.0 Base Score of 9.9.

Understanding CVE-2018-3110

This section provides insights into the impact and technical details of CVE-2018-3110.

What is CVE-2018-3110?

CVE-2018-3110 is a vulnerability in the Java VM component of Oracle Database Server, affecting multiple versions. It allows attackers with low privileges to compromise the Java VM.

The Impact of CVE-2018-3110

The vulnerability poses significant risks to confidentiality, integrity, and availability. Successful exploitation can result in a complete takeover of the Java VM.

Technical Details of CVE-2018-3110

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw allows low-privileged attackers with Create Session privilege and network access via Oracle Net to compromise the Java VM, potentially impacting other products.

Affected Systems and Versions

Oracle Database versions 11.2.0.4, 12.1.0.2, 12.2.0.1, and 18 are affected.

Exploitation Mechanism

Attackers with low privileges and network access via Oracle Net can exploit the vulnerability to compromise the Java VM.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2018-3110.

Immediate Steps to Take

Apply patches provided by Oracle promptly.
Restrict network access to the Oracle Database.
Monitor for any unauthorized access or unusual activities.

Long-Term Security Practices

Regularly update and patch Oracle Database to address security vulnerabilities.
Implement the principle of least privilege to restrict user access.
Conduct security training for personnel to recognize and respond to potential threats.

Patching and Updates

Stay informed about security advisories from Oracle and apply patches as soon as they are released.