CVE-2019-2566 Explained : Impact and Mitigation
Learn about CVE-2019-2566 affecting Oracle MySQL Server versions 5.7.25 and prior, and 8.0.15 and prior. Discover the impact, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in the Oracle MySQL Server component, affecting versions 5.7.25 and prior, as well as 8.0.15 and prior. This vulnerability allows a high privileged attacker with network access to potentially compromise the MySQL Server, leading to a denial of service situation.
Understanding CVE-2019-2566
This CVE pertains to a vulnerability in the Oracle MySQL Server component, specifically in the Server: Audit Plug-in.
What is CVE-2019-2566?
The vulnerability in the MySQL Server component of Oracle MySQL allows a high privileged attacker with network access to compromise the server, potentially causing a denial of service situation.
The Impact of CVE-2019-2566
If successfully exploited, this vulnerability may lead to unauthorized actions that could cause the server to hang or crash, resulting in a denial of service (DOS) situation. The CVSS 3.0 Base Score for this vulnerability is 4.9, indicating its impact on availability.
Technical Details of CVE-2019-2566
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows a high 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: 5.7.25 and prior, 8.0.15 and prior
Exploitation Mechanism
A high privileged attacker with network access through various protocols can exploit this vulnerability, potentially compromising the MySQL Server.
Mitigation and Prevention
Protective measures and steps to mitigate the impact of CVE-2019-2566.
Immediate Steps to Take
- Apply security patches provided by Oracle Corporation promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the MySQL Server.
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.
Patching and Updates
Ensure that the MySQL Server is updated with the latest security patches and versions to mitigate the vulnerability.