CVE-2019-2993 : Security Advisory and Response

Oracle MySQL Server is affected by a vulnerability in the Server: C API component, impacting versions 5.7.27 and earlier, as well as 8.0.17 and earlier. This vulnerability, with a CVSS 3.0 Base Score of 5.3, allows a low-privileged attacker with network access to compromise the server, potentially leading to a Denial of Service (DoS) attack.

Understanding CVE-2019-2993

This CVE identifies a vulnerability in Oracle MySQL Server that could be exploited by attackers to disrupt server availability.

What is CVE-2019-2993?

The vulnerability in Oracle MySQL Server's Server: C API component allows low-privileged attackers with network access to compromise the server, potentially causing a complete Denial of Service (DoS) attack.

The Impact of CVE-2019-2993

Successful exploitation can lead to unauthorized actions causing server hang or frequent crashes, impacting availability.

Technical Details of CVE-2019-2993

Oracle MySQL Server vulnerability details and affected systems.

Vulnerability Description

Difficulty to exploit vulnerability in the Server: C API component of Oracle MySQL Server.

Affected Systems and Versions

MySQL Server versions 5.7.27 and prior
MySQL Server versions 8.0.17 and prior

Exploitation Mechanism

Low-privileged attacker with network access can compromise the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2019-2993.

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Implement the principle of least privilege for user access.
Regularly update and patch MySQL Server installations.

Patching and Updates

Oracle has released patches addressing this vulnerability. Ensure timely application to secure the server.