CVE-2018-2786 Explained : Impact and Mitigation
Learn about CVE-2018-2786, a vulnerability in Oracle MySQL Server's InnoDB component allowing attackers to compromise the server, potentially leading to service denial and unauthorized data access. Find out how to mitigate and prevent this security flaw.
A security flaw in the Oracle MySQL Server component InnoDB, affecting versions 5.7.21 and earlier, allows a highly privileged attacker with network access to compromise the server, potentially leading to service denial and unauthorized data access.
Understanding CVE-2018-2786
This CVE involves a vulnerability in the MySQL Server component of Oracle MySQL, specifically impacting versions 5.7.21 and prior.
What is CVE-2018-2786?
The vulnerability in the InnoDB component of Oracle MySQL Server allows a highly privileged attacker with network access to compromise the server. Successful exploitation can result in unauthorized actions such as server crashes, denial of service, and unauthorized data manipulation.
The Impact of CVE-2018-2786
The severity of this vulnerability is rated with a CVSS 3.0 Base Score of 5.5, affecting integrity and availability. Attackers can exploit this flaw to compromise the MySQL Server and perform unauthorized actions.
Technical Details of CVE-2018-2786
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially leading to server crashes, denial of service, and unauthorized data manipulation.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 5.7.21 and prior
Exploitation Mechanism
- Attackers with network access can exploit the vulnerability in the InnoDB component to compromise the MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2018-2786 is crucial to prevent unauthorized access and service disruptions.
Immediate Steps to Take
- Apply security patches provided by Oracle Corporation promptly.
- Monitor network traffic for any suspicious activities.
- Restrict network access to the MySQL Server to authorized users only.
Long-Term Security Practices
- Regularly update and patch the MySQL Server to address known vulnerabilities.
- Implement network segmentation to limit the exposure of critical servers.
- Conduct regular security audits and penetration testing to identify and address potential weaknesses.
Patching and Updates
- Stay informed about security advisories from Oracle Corporation and apply patches as soon as they are released.