CVE-2018-2787 : Vulnerability Insights and Analysis

A vulnerability in the InnoDB component of Oracle MySQL Server, affecting versions 5.6.39 and earlier, as well as 5.7.21 and earlier, can be exploited by a highly privileged attacker with network access, potentially leading to unauthorized access and denial of service attacks.

Understanding CVE-2018-2787

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

What is CVE-2018-2787?

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

The Impact of CVE-2018-2787

Successful exploitation may lead to unauthorized access to modify, insert, or delete data on the MySQL Server.
It can result in a hang or repeated crash of the MySQL Server, known as a denial of service (DOS) attack.
The CVSS 3.0 Base Score for this vulnerability is 5.5, indicating impacts on integrity and availability.

Technical Details of CVE-2018-2787

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in the InnoDB component of Oracle MySQL Server allows a highly privileged attacker with network access to compromise the server, potentially leading to unauthorized data manipulation and denial of service attacks.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions Affected: 5.6.39 and prior, 5.7.21 and prior

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through various protocols, enabling unauthorized access and potential compromise of the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2018-2787 requires immediate steps and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Oracle Corporation promptly.
Monitor network traffic for any suspicious activity targeting MySQL Server.
Restrict network access to MySQL Server to only authorized users.

Long-Term Security Practices

Regularly update MySQL Server to the latest secure versions.
Implement network segmentation to isolate critical servers like MySQL.
Conduct regular security audits and penetration testing to identify vulnerabilities.

Patching and Updates

Ensure that all security patches and updates released by Oracle Corporation for MySQL Server are promptly applied to mitigate the vulnerability.