CVE-2018-2646 Explained : Impact and Mitigation

Oracle MySQL Server component, specifically the Server: DML subcomponent, has a vulnerability affecting versions 5.7.20 and earlier, allowing a highly privileged attacker to compromise the server.

Understanding CVE-2018-2646

This CVE involves a vulnerability in the Oracle MySQL Server component, impacting versions 5.7.20 and prior.

What is CVE-2018-2646?

The vulnerability in the MySQL Server component of Oracle MySQL allows a highly privileged attacker with network access to compromise the server, potentially leading to a denial of service.

The Impact of CVE-2018-2646

Successful exploitation can result in unauthorized actions causing the server to hang or crash frequently, leading to a denial of service (DoS).
The CVSS 3.0 Base Score for this vulnerability is 4.9, primarily affecting availability.

Technical Details of CVE-2018-2646

This section provides technical details of the CVE-2018-2646 vulnerability.

Vulnerability Description

The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions affected: 5.7.20 and prior

Exploitation Mechanism

Highly privileged attackers with network access through multiple protocols can exploit the vulnerability to compromise the MySQL Server.

Mitigation and Prevention

Protect your systems from CVE-2018-2646 with these mitigation strategies.

Immediate Steps to Take

Apply security patches provided by Oracle Corporation promptly.
Monitor network traffic for any suspicious activities.
Restrict network access to the MySQL Server to authorized personnel only.

Long-Term Security Practices

Regularly update and patch your MySQL Server to address known vulnerabilities.
Implement network segmentation to limit the exposure of critical servers.

Patching and Updates

Stay informed about security updates and advisories from Oracle Corporation.