CVE-2020-14559 : Exploit Details and Defense Strategies

A vulnerability in Oracle MySQL Server allows unauthorized access to sensitive data, impacting versions 5.6.48 and prior, 5.7.30 and prior, and 8.0.20 and prior.

Understanding CVE-2020-14559

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, specifically in the Server Information Schema component.

What is CVE-2020-14559?

The vulnerability allows a low-privileged attacker with network access via multiple protocols to compromise the MySQL Server. Successful exploitation can lead to unauthorized read access to a subset of MySQL Server data.

The Impact of CVE-2020-14559

The vulnerability has a CVSS 3.1 Base Score of 4.3, with confidentiality impacts. It poses a medium severity risk with low complexity for attackers.

Technical Details of CVE-2020-14559

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Oracle MySQL Server allows attackers to compromise the server and gain unauthorized read access to specific data.

Affected Systems and Versions

MySQL Server 5.6.48 and prior
MySQL Server 5.7.30 and prior
MySQL Server 8.0.20 and prior

Exploitation Mechanism

The vulnerability is easily exploitable by low-privileged attackers with network access through various protocols.

Mitigation and Prevention

Protect your systems from CVE-2020-14559 with these steps:

Immediate Steps to Take

Apply patches provided by Oracle promptly
Monitor network traffic for any suspicious activity
Restrict network access to the MySQL Server

Long-Term Security Practices

Regularly update and patch MySQL Server installations
Implement strong network security measures
Conduct regular security audits and assessments

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.