CVE-2020-2679 : Exploit Details and Defense Strategies

A vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) allows a high privileged attacker to compromise the server. This CVE affects MySQL Server versions 8.0.18 and prior.

Understanding CVE-2020-2679

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, impacting versions 8.0.18 and earlier.

What is CVE-2020-2679?

The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially leading to a denial of service (DOS) attack.

The Impact of CVE-2020-2679

Successful exploitation can result in unauthorized actions that cause the MySQL Server to hang or crash, leading to a complete denial of service (DOS) situation.
CVSS 3.0 Base Score: 4.9 (Availability impacts)
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Technical Details of CVE-2020-2679

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially causing a DOS situation.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Affected Versions: 8.0.18 and prior

Exploitation Mechanism

The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2020-2679 is crucial to maintaining security.

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 users only.

Long-Term Security Practices

Regularly update and patch MySQL Server to address known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security updates and advisories from Oracle Corporation.
Regularly check for patches and updates for MySQL Server to mitigate security risks.