CVE-2019-2737 : Vulnerability Insights and Analysis

A vulnerability has been identified in the Oracle MySQL server component, affecting versions 5.6.44 and earlier, 5.7.26 and earlier, and 8.0.16 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access, potentially leading to a denial-of-service situation.

Understanding CVE-2019-2737

This CVE pertains to a vulnerability in the MySQL Server component of Oracle MySQL, specifically in the Server: Pluggable Auth subcomponent.

What is CVE-2019-2737?

The vulnerability allows a highly privileged attacker with network access through multiple protocols to compromise the MySQL Server, potentially causing a denial-of-service situation.

The Impact of CVE-2019-2737

Successful exploitation can lead to unauthorized disruption of the server, causing hangs or frequent crashes, resulting in a denial-of-service (DOS) situation.
The CVSS 3.0 Base Score for this vulnerability is 4.9, with the main impact being availability.

Technical Details of CVE-2019-2737

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in the MySQL Server component of Oracle MySQL allows unauthorized disruption of the server, potentially leading to a denial-of-service situation.

Affected Systems and Versions

MySQL Server versions 5.6.44 and prior
MySQL Server versions 5.7.26 and prior
MySQL Server versions 8.0.16 and prior

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through multiple protocols, compromising the MySQL Server.

Mitigation and Prevention

To address CVE-2019-2737, follow these mitigation strategies:

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch the MySQL Server.
Implement strong network security measures to prevent unauthorized access.
Conduct regular security audits and assessments.

Patching and Updates

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