CVE-2018-3066 Explained : Impact and Mitigation

Oracle MySQL Server component, specifically the Server: Options, has a vulnerability affecting versions 5.5.60 and earlier, 5.6.40 and earlier, and 5.7.22 and earlier. This vulnerability, although challenging to exploit, can be used by a highly privileged attacker to compromise the MySQL Server.

Understanding CVE-2018-3066

This CVE involves a vulnerability in the Oracle MySQL Server component, impacting various versions.

What is CVE-2018-3066?

The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially leading to unauthorized data modifications and access.

The Impact of CVE-2018-3066

Difficulty in exploitation but can be used by a highly privileged attacker with network access
Unauthorized modifications, insertions, or deletions of accessible data within the MySQL Server
Unauthorized reading of a subset of accessible data
CVSS 3.0 Base Score of 3.3, affecting confidentiality and integrity

Technical Details of CVE-2018-3066

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in the MySQL Server component of Oracle MySQL allows unauthorized access and modifications to data.

Affected Systems and Versions

MySQL Server versions 5.5.60 and prior
MySQL Server versions 5.6.40 and prior
MySQL Server versions 5.7.22 and prior

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through various protocols to compromise the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2018-3066 requires immediate actions and long-term security practices.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch MySQL Server installations
Implement strong access controls and authentication mechanisms
Conduct regular security audits and assessments

Patching and Updates

Stay informed about security advisories from Oracle Corporation
Apply patches and updates promptly to address known vulnerabilities