CVE-2019-2628 : Security Advisory and Response

A vulnerability has been identified in the MySQL Server component of Oracle MySQL, affecting versions 5.7.25 and earlier, as well as 8.0.15 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access, potentially leading to a denial of service.

Understanding CVE-2019-2628

This CVE pertains to a vulnerability in the MySQL Server component of Oracle MySQL, specifically in the InnoDB subcomponent.

What is CVE-2019-2628?

CVE-2019-2628 is a vulnerability in Oracle MySQL that impacts versions 5.7.25 and prior, as well as 8.0.15 and prior. It is an easily exploitable vulnerability that can be leveraged by a highly privileged attacker with network access through multiple protocols.

The Impact of CVE-2019-2628

The vulnerability can result in a compromise of the MySQL Server, potentially leading to unauthorized actions that cause the server to hang or crash repeatedly, resulting in a complete denial of service. The CVSS 3.0 Base Score for this vulnerability is 4.9, mainly affecting availability.

Technical Details of CVE-2019-2628

This section provides more technical insights into the CVE.

Vulnerability Description

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

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Affected Versions: 5.7.25 and prior, 8.0.15 and prior

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through multiple protocols, leading to a 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

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

Long-Term Security Practices

Regularly update and patch the MySQL Server to mitigate known vulnerabilities.
Implement strong access controls and authentication mechanisms.
Conduct regular security audits and assessments to identify and address potential risks.

Patching and Updates

Ensure that the MySQL Server is updated with the latest security patches and updates to prevent exploitation of this vulnerability.