CVE-2018-2590 : What You Need to Know
Learn about CVE-2018-2590, a vulnerability in Oracle MySQL Server's Performance Schema component. Highly privileged attackers can exploit this issue, potentially leading to a denial of service. Find out how to mitigate and prevent this vulnerability.
A vulnerability in the Oracle MySQL Server's Performance Schema component affects 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, potentially leading to a denial of service.
Understanding CVE-2018-2590
This CVE involves a vulnerability in the Oracle MySQL Server, impacting its Performance Schema component.
What is CVE-2018-2590?
The vulnerability in the Oracle MySQL Server allows a highly privileged attacker with network access to compromise the server, potentially causing a denial of service. The affected versions are 5.6.38 and prior, and 5.7.20 and prior.
The Impact of CVE-2018-2590
If successfully exploited, this vulnerability can lead to unauthorized actions that cause the server to hang or crash repeatedly, resulting in a complete denial of service. The main impact is on availability, with a CVSS 3.0 Base Score of 4.9.
Technical Details of CVE-2018-2590
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the Oracle MySQL Server's Performance Schema component allows a highly privileged attacker with network access to compromise the server, potentially leading to a denial of service.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected 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 them to compromise the MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2018-2590 is crucial to maintaining security.
Immediate Steps to Take
- Apply patches provided by Oracle Corporation promptly.
- Monitor network traffic for any suspicious activity.
- 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
Ensure that the MySQL Server is updated with the latest patches and security updates to mitigate the risk of exploitation.