CVE-2019-2685 : What You Need to Know
Learn about CVE-2019-2685 affecting Oracle MySQL Server versions 8.0.15 and earlier. Discover the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in Oracle MySQL's MySQL Server component, affecting versions 8.0.15 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access, potentially leading to a denial-of-service situation.
Understanding CVE-2019-2685
This CVE pertains to a vulnerability in the MySQL Server component of Oracle MySQL, specifically impacting versions 8.0.15 and prior.
What is CVE-2019-2685?
The vulnerability in the Optimizer subcomponent of MySQL Server 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 scenario.
The Impact of CVE-2019-2685
The vulnerability has a base score of 4.9 according to the Common Vulnerability Scoring System (CVSS) 3.0, with the main impact affecting availability. If successfully exploited, it can lead to unauthorized actions causing the server to hang or crash repeatedly.
Technical Details of CVE-2019-2685
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability in the MySQL Server component of Oracle MySQL allows a highly privileged attacker with network access to compromise the server, potentially leading to a denial-of-service situation.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 8.0.15 and prior
Exploitation Mechanism
- Highly privileged attacker with network access
- Ability to compromise MySQL Server
- Unauthorized actions causing server hang or crash
Mitigation and Prevention
Protective measures to address the CVE-2019-2685 vulnerability.
Immediate Steps to Take
- Apply vendor patches and updates promptly
- Restrict network access to MySQL Server
- Monitor for any unauthorized actions or server instability
Long-Term Security Practices
- Regularly update and patch MySQL Server
- Implement network segmentation to limit access
- Conduct security audits and assessments periodically
Patching and Updates
- Stay informed about security advisories from Oracle and other relevant vendors
- Apply patches and updates as soon as they are available to mitigate the vulnerability