CVE-2020-2768 : Security Advisory and Response

A vulnerability in Oracle MySQL Cluster allows attackers to compromise the system, potentially leading to unauthorized data access and denial of service.

Understanding CVE-2020-2768

This CVE involves a vulnerability in the MySQL Cluster product of Oracle MySQL, impacting various versions.

What is CVE-2020-2768?

The vulnerability allows a low-privileged attacker with network access to compromise MySQL Cluster, potentially resulting in unauthorized data access and denial of service attacks.

The Impact of CVE-2020-2768

Successful exploitation can lead to unauthorized access to MySQL Cluster data
Attackers can cause a hang or crash of MySQL Cluster
CVSS 3.0 Base Score: 6.3 (Medium severity)

Technical Details of CVE-2020-2768

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers with network access to compromise MySQL Cluster, potentially causing denial of service and unauthorized data access.

Affected Systems and Versions

MySQL Cluster versions 7.3.28 and prior
MySQL Cluster versions 7.4.27 and prior
MySQL Cluster versions 7.5.17 and prior
MySQL Cluster versions 7.6.13 and prior
MySQL Cluster versions 8.0.19 and prior

Exploitation Mechanism

Low-privileged attacker with network access
Multiple protocols can be used for exploitation
Human interaction required for successful attacks

Mitigation and Prevention

Protecting systems from CVE-2020-2768 is crucial to prevent unauthorized access and denial of service attacks.

Immediate Steps to Take

Apply security patches provided by Oracle
Monitor network traffic for any suspicious activities
Restrict network access to vulnerable systems

Long-Term Security Practices

Regularly update and patch MySQL Cluster
Conduct security training for personnel to recognize and report suspicious activities

Patching and Updates

Stay informed about security updates from Oracle
Implement a robust patch management process to apply updates promptly