CVE-2019-2805 : What You Need to Know

A vulnerability in the MySQL Server component of Oracle MySQL has been identified, 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 low privileged attacker with network access, potentially leading to a denial of service.

Understanding CVE-2019-2805

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

What is CVE-2019-2805?

The vulnerability allows a low privileged attacker with network access to compromise the MySQL Server, potentially causing it to hang or crash, resulting in a denial of service. The CVSS 3.0 Base Score for this vulnerability is 6.5, with a significant impact on availability.

The Impact of CVE-2019-2805

Unauthorized ability to cause the MySQL Server to hang or experience frequent crashes
Complete denial of service due to the vulnerability

Technical Details of CVE-2019-2805

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in the MySQL Server component of Oracle MySQL allows attackers to compromise the server through multiple protocols, potentially leading to a denial of service.

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 low privileged attacker with network access through various protocols, enabling them to compromise the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2019-2805 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by Oracle Corporation 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 to address known vulnerabilities
Implement network segmentation to limit access to critical servers

Patching and Updates

Ensure that the MySQL Server is regularly updated with the latest security patches to mitigate the risk of exploitation.