CVE-2018-2565 : What You Need to Know

A vulnerability in Oracle MySQL Server's InnoDB component, affecting versions 5.7.20 and earlier, allows a highly privileged attacker with network access to compromise the server, potentially leading to a denial of service.

Understanding CVE-2018-2565

This CVE involves a vulnerability in the MySQL Server component of Oracle MySQL, specifically in the Server: InnoDB subcomponent.

What is CVE-2018-2565?

The vulnerability in Oracle MySQL Server's InnoDB component affects versions 5.7.20 and prior. It can be exploited by a highly privileged attacker with network access through various protocols, potentially compromising the MySQL Server.

The Impact of CVE-2018-2565

Successful exploitation can lead to unauthorized actions causing the MySQL Server to hang or crash, resulting in a complete denial of service (DOS).
The CVSS 3.0 Base Score for this vulnerability is 4.9, with an impact on availability.

Technical Details of CVE-2018-2565

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially causing a denial of service.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions affected: 5.7.20 and prior

Exploitation Mechanism

Highly privileged attacker with network access can exploit the vulnerability through various protocols to compromise the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2018-2565 requires immediate actions and long-term security practices.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch MySQL Server to address known vulnerabilities.
Implement strong network security measures to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories from Oracle Corporation.
Regularly check for updates and apply them to ensure system security.