CVE-2018-2647 : Vulnerability Insights and Analysis

Oracle MySQL Server component, specifically the Server: Replication subcomponent, has a vulnerability affecting versions 5.6.38 and earlier, as well as 5.7.20 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access through multiple protocols, potentially compromising the MySQL Server.

Understanding CVE-2018-2647

This CVE involves a vulnerability in the Oracle MySQL Server component, impacting specific versions and potentially leading to unauthorized actions.

What is CVE-2018-2647?

The vulnerability in the MySQL Server component of Oracle MySQL, particularly the Server: Replication subcomponent, allows a highly privileged attacker with network access via multiple protocols to compromise the MySQL Server. Successful exploitation can result in unauthorized access to manipulate data and cause a Denial-of-Service (DOS) attack.

The Impact of CVE-2018-2647

The vulnerability, with a CVSS 3.0 Base Score of 5.5, affects the integrity and availability of the MySQL Server. If exploited, it can lead to unauthorized actions such as server crashes, DOS attacks, and unauthorized data manipulation.

Technical Details of CVE-2018-2647

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows a highly privileged attacker to compromise the MySQL Server, potentially leading to unauthorized data manipulation and DOS attacks.

Affected Systems and Versions

Affected Product: MySQL Server
Vendor: Oracle Corporation
Vulnerable Versions: 5.6.38 and prior, 5.7.20 and prior

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through multiple protocols, enabling unauthorized actions on the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2018-2647 requires immediate steps and long-term security practices.

Immediate Steps to Take

Apply vendor patches and updates promptly to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate an exploit attempt.

Long-Term Security Practices

Implement the principle of least privilege to restrict access rights for users and applications.
Regularly update and patch software to address known vulnerabilities and enhance security measures.

Patching and Updates

Regularly check for security advisories and updates from Oracle Corporation to ensure the MySQL Server is protected from known vulnerabilities.