CVE-2018-3161 Explained : Impact and Mitigation

Oracle MySQL Server has a vulnerability (CVE-2018-3161) affecting versions 5.7.23 and earlier, as well as 8.0.12 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access, potentially leading to a denial of service.

Understanding CVE-2018-3161

This CVE impacts Oracle MySQL Server versions 5.7.23 and prior, and 8.0.12 and prior.

What is CVE-2018-3161?

The vulnerability in MySQL Server allows a highly privileged attacker with network access to compromise the server, potentially causing a denial of service. The CVSS 3.0 Base Score is 4.9, primarily affecting availability.

The Impact of CVE-2018-3161

Unauthorized ability to cause hang or frequent crashes of MySQL Server
Complete denial of service

Technical Details of CVE-2018-3161

Oracle MySQL Server vulnerability details.

Vulnerability Description

The vulnerability allows a highly privileged attacker to compromise MySQL Server through network access, potentially leading to a denial of service.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions Affected: 5.7.23 and prior, 8.0.12 and prior

Exploitation Mechanism

Attacker with network access
Multiple protocols
Unauthorized server compromise

Mitigation and Prevention

Steps to address the CVE-2018-3161 vulnerability.

Immediate Steps to Take

Apply vendor patches promptly
Monitor MySQL Server for unusual behavior
Restrict network access to MySQL Server

Long-Term Security Practices

Regularly update MySQL Server and related components
Implement network segmentation to limit access
Conduct security assessments and audits periodically

Patching and Updates

Apply Oracle's security patches for MySQL Server
Stay informed about security advisories and updates