CVE-2019-2593 : Security Advisory and Response

A security flaw in the MySQL Server component of Oracle MySQL, specifically in the InnoDB subcomponent, has been identified. This vulnerability affects versions 8.0.15 and earlier, potentially allowing a highly privileged attacker to compromise the MySQL Server.

Understanding CVE-2019-2593

This CVE pertains to a vulnerability in the MySQL Server component of Oracle MySQL, impacting versions 8.0.15 and prior.

What is CVE-2019-2593?

The vulnerability in the MySQL Server component of Oracle MySQL, particularly in the InnoDB subcomponent, allows a highly privileged attacker with network access through various protocols to compromise the MySQL Server. Successful exploitation of this vulnerability can lead to a denial of service (DOS) situation by causing the server to hang or crash.

The Impact of CVE-2019-2593

The primary impact of this vulnerability is on availability, with a CVSS 3.0 Base Score of 4.9. Unauthorized individuals exploiting this vulnerability may disrupt the MySQL Server's operations.

Technical Details of CVE-2019-2593

This section provides technical details about the CVE-2019-2593 vulnerability.

Vulnerability Description

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

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions Affected: 8.0.15 and prior

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through various protocols, enabling them to compromise the MySQL Server and disrupt its operations.

Mitigation and Prevention

To address CVE-2019-2593, consider the following mitigation strategies:

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch the MySQL Server to address known vulnerabilities.
Implement network segmentation to limit the exposure of critical servers.
Conduct regular security audits and assessments to identify and remediate potential weaknesses.

Patching and Updates

Ensure that the MySQL Server is updated with the latest security patches and updates to mitigate the risk of exploitation.