CVE-2019-2998 : Security Advisory and Response
Learn about CVE-2019-2998, a vulnerability in Oracle MySQL Server versions 8.0.17 and earlier impacting the Optimizer component. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in Oracle MySQL Server versions 8.0.17 and earlier, impacting the Optimizer component. This vulnerability can be exploited by a highly privileged attacker with network access, potentially leading to a denial of service situation.
Understanding CVE-2019-2998
This CVE pertains to a vulnerability in the MySQL Server product of Oracle MySQL, affecting versions 8.0.17 and prior.
What is CVE-2019-2998?
The vulnerability in the MySQL Server component called Optimizer allows a highly privileged attacker with network access to compromise the server, potentially causing it to hang or crash, resulting in a denial of service situation.
The Impact of CVE-2019-2998
If successfully exploited, this vulnerability can lead to unauthorized actions that cause the server to hang or crash repeatedly, resulting in a denial of service (DOS) situation. The CVSS 3.0 Base Score for this vulnerability is 4.9, with availability impacts.
Technical Details of CVE-2019-2998
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially leading to a denial of service situation.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 8.0.17 and prior
Exploitation Mechanism
The vulnerability can be exploited by a highly privileged attacker with network access through multiple protocols, compromising the MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2019-2998 is crucial to maintaining security.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Restrict network access to the MySQL Server to authorized users only.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch MySQL Server to address known vulnerabilities.
- Implement strong access controls and authentication mechanisms.
- Conduct regular security audits and assessments to identify and mitigate potential risks.
Patching and Updates
Ensure that the MySQL Server is updated with the latest patches and security updates to mitigate the vulnerability effectively.