CVE-2020-2589 : Exploit Details and Defense Strategies
Learn about CVE-2020-2589, a vulnerability in MySQL Server of Oracle MySQL, allowing high privileged attackers to compromise the server. Find out the impacted versions and mitigation steps.
A vulnerability in the MySQL Server product of Oracle MySQL has been identified, allowing a high privileged attacker to compromise the server.
Understanding CVE-2020-2589
This CVE pertains to a vulnerability in MySQL Server that could lead to a denial of service (DOS) attack.
What is CVE-2020-2589?
The vulnerability in the MySQL Server product of Oracle MySQL (specifically in the InnoDB component) affects versions 5.7.28 and prior, as well as 8.0.17 and prior. It allows a high privileged attacker with network access to compromise the server, potentially resulting in a DOS attack.
The Impact of CVE-2020-2589
Successful exploitation of this vulnerability can lead to unauthorized actions causing the server to hang or crash, resulting in a complete denial of service. The CVSS 3.0 Base Score is 4.9, with a focus on availability impacts.
Technical Details of CVE-2020-2589
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows a high privileged attacker with network access to compromise the MySQL Server, potentially leading to a DOS attack.
Affected Systems and Versions
- MySQL Server versions 5.7.28 and prior
- MySQL Server versions 8.0.17 and prior
Exploitation Mechanism
The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise the MySQL Server.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly
- Monitor network traffic for any suspicious activity
- Restrict network access to the MySQL Server
Long-Term Security Practices
- Regularly update and patch MySQL Server installations
- Implement network segmentation to limit access to critical servers
- Conduct regular security audits and penetration testing
Patching and Updates
Ensure that the MySQL Server is updated with the latest security patches and versions to mitigate the vulnerability effectively.