CVE-2019-2811 Explained : Impact and Mitigation

A vulnerability has been identified in Oracle MySQL Server, affecting versions 8.0.16 and earlier, allowing a highly privileged attacker to compromise the server's security and cause a denial of service (DOS) situation.

Understanding CVE-2019-2811

This CVE pertains to a vulnerability in the Oracle MySQL Server, specifically in the Server: Security: Privileges subcomponent.

What is CVE-2019-2811?

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

The Impact of CVE-2019-2811

Successful exploitation by a highly privileged attacker can result in unauthorized actions causing the server to hang or crash repetitively, leading to a denial of service situation.
The CVSS 3.0 Base Score for this vulnerability is 4.9, with a high impact on availability.

Technical Details of CVE-2019-2811

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially causing a denial of service.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions Affected: 8.0.16 and prior

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through multiple protocols, leading to compromise of the MySQL Server.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Update MySQL Server to a patched version that addresses the vulnerability.
Implement network security measures to restrict access to the server.

Long-Term Security Practices

Regularly monitor and update the MySQL Server to ensure it is protected against known vulnerabilities.
Conduct security audits and assessments to identify and mitigate potential risks.

Patching and Updates

Apply patches provided by Oracle Corporation to fix the vulnerability in MySQL Server.