CVE-2019-3011 Explained : Impact and Mitigation

A vulnerability in Oracle MySQL's MySQL Server (Server: C API) versions 8.0.17 and earlier can be exploited by a low privileged attacker, potentially leading to a denial of service.

Understanding CVE-2019-3011

This CVE involves a vulnerability in the MySQL Server component of Oracle MySQL, impacting versions 8.0.17 and prior.

What is CVE-2019-3011?

The vulnerability allows a low privileged attacker with network access through multiple protocols to compromise the MySQL Server, potentially causing it to hang or crash, resulting in a denial of service. The CVSS 3.0 Base Score for this vulnerability is 6.5, with an impact on availability.

The Impact of CVE-2019-3011

Successful exploitation may lead to unauthorized ability to repeatedly crash or hang the MySQL Server, causing a complete denial of service.

Technical Details of CVE-2019-3011

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability in the MySQL Server component of Oracle MySQL allows unauthorized attackers to compromise the server, impacting availability.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions Affected: 8.0.17 and prior

Exploitation Mechanism

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

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor network traffic for any suspicious activity.
Restrict network access to the MySQL Server.

Long-Term Security Practices

Regularly update and patch MySQL Server to mitigate known vulnerabilities.
Implement network segmentation to limit access to critical servers.
Conduct regular security audits and penetration testing.

Patching and Updates

Stay informed about security updates and patches released by Oracle for MySQL Server.
Ensure timely application of patches to secure the MySQL Server.