CVE-2018-2586 Explained : Impact and Mitigation

A vulnerability has been found in the MySQL Server component of Oracle MySQL, affecting versions 5.7.20 and earlier. This vulnerability can be exploited by a high privileged attacker with network access, potentially leading to a denial of service.

Understanding CVE-2018-2586

This CVE involves a vulnerability in the MySQL Server component of Oracle MySQL, allowing unauthorized access and potential denial of service attacks.

What is CVE-2018-2586?

CVE-2018-2586 is a vulnerability in Oracle MySQL Server versions 5.7.20 and prior, which can be exploited by a high privileged attacker with network access through multiple protocols. The vulnerability can lead to a complete denial of service.

The Impact of CVE-2018-2586

The vulnerability in MySQL Server can result in unauthorized access and the ability to cause a hang or frequently repeatable crash of the server, leading to a complete denial of service. The Common Vulnerability Scoring System (CVSS) 3.0 Base Score for this vulnerability is 4.9, indicating availability impacts.

Technical Details of CVE-2018-2586

This section provides detailed technical information about the CVE.

Vulnerability Description

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

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by a high privileged attacker with network access through multiple protocols, allowing unauthorized actions that can lead to a denial of service.

Mitigation and Prevention

Protecting systems from CVE-2018-2586 is crucial to maintaining security.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch all software and systems to prevent vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security audits and assessments to identify and address any security gaps.

Patching and Updates

Ensure that the MySQL Server is updated to a version that includes the patch for CVE-2018-2586 to mitigate the risk of exploitation.