CVE-2019-2923 : Security Advisory and Response

A vulnerability has been discovered in the Oracle MySQL product, affecting versions 5.6.45 and earlier, as well as versions 5.7.27 and earlier. This vulnerability allows unauthorized access to certain data within the MySQL Server.

Understanding CVE-2019-2923

This CVE pertains to a security vulnerability found in the MySQL Server component of Oracle MySQL, impacting versions 5.6.45 and prior, and 5.7.27 and prior.

What is CVE-2019-2923?

The vulnerability in MySQL Server allows an attacker with network access through multiple protocols to exploit the server without authentication. Successful exploitation can lead to unauthorized access and reading of specific data within the MySQL Server.

The Impact of CVE-2019-2923

The vulnerability has a CVSS 3.0 Base Score of 5.3, primarily affecting confidentiality. The exploit can result in unauthorized read access to a subset of MySQL Server data.

Technical Details of CVE-2019-2923

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in MySQL Server allows unauthenticated attackers with network access to compromise the server, potentially leading to unauthorized data access.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions Affected: 5.6.45 and prior, 5.7.27 and prior

Exploitation Mechanism

Attackers with network access through multiple protocols can exploit the vulnerability without authentication.

Mitigation and Prevention

Protecting systems from CVE-2019-2923 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor network traffic for any suspicious activities.
Restrict network access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch MySQL Server installations.
Implement network segmentation to limit access to critical servers.
Conduct regular security audits and penetration testing.

Patching and Updates

Stay informed about security advisories from Oracle and apply patches as soon as they are released.