CVE-2020-14775 : What You Need to Know

A vulnerability in Oracle MySQL Server allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack.

Understanding CVE-2020-14775

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, specifically affecting versions 5.7.31 and prior, as well as 8.0.21 and prior.

What is CVE-2020-14775?

The vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) allows a low privileged attacker with network access to compromise the server. Successful exploitation can lead to a DOS attack by causing the server to hang or crash.

The Impact of CVE-2020-14775

Successful attacks exploiting this vulnerability can result in unauthorized access and the ability to disrupt the availability of the MySQL Server. The CVSS 3.1 Base Score is 6.5, indicating a medium severity vulnerability with high availability impact.

Technical Details of CVE-2020-14775

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows low privileged attackers with network access to compromise the MySQL Server, potentially leading to a DOS attack by causing the server to hang or crash.

Affected Systems and Versions

Affected versions: 5.7.31 and prior, 8.0.21 and prior
Product: MySQL Server
Vendor: Oracle Corporation

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: High

Mitigation and Prevention

To address CVE-2020-14775, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor patches 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
Implement network segmentation to limit access
Conduct regular security assessments and audits

Patching and Updates

Ensure that you regularly check for updates and patches released by Oracle Corporation for MySQL Server to address this vulnerability.