CVE-2019-2963 : Security Advisory and Response

A security flaw has been discovered in the Oracle MySQL Server product, affecting versions 8.0.17 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-2019-2963

This CVE pertains to a vulnerability in the Oracle MySQL Server product, specifically in the InnoDB component, impacting versions 8.0.17 and prior.

What is CVE-2019-2963?

The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially causing it to hang or crash, resulting in a denial-of-service situation.

The Impact of CVE-2019-2963

The CVSS 3.0 Base Score for this vulnerability is 4.9, indicating its impact on availability. Successful exploitation can lead to unauthorized actions that disrupt the server's operation.

Technical Details of CVE-2019-2963

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in the InnoDB component of Oracle MySQL Server allows unauthorized actions by a highly privileged attacker, potentially leading to a denial-of-service situation.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions Affected: 8.0.17 and prior

Exploitation Mechanism

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

Mitigation and Prevention

To address CVE-2019-2963, follow these mitigation strategies:

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Restrict network access to the MySQL Server to authorized personnel only.
Monitor server logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch the MySQL Server to address known vulnerabilities.
Implement network segmentation to limit access to critical servers.
Conduct regular security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

Ensure that you regularly check for updates and security patches released by Oracle for the MySQL Server to mitigate the risk of exploitation.