CVE-2019-2687 : Vulnerability Insights and Analysis
Learn about CVE-2019-2687, a vulnerability in the MySQL Server component of Oracle MySQL, allowing a highly privileged attacker to compromise the server, potentially leading to a denial of service. Find out the impacted versions and mitigation steps.
A vulnerability in the MySQL Server component of Oracle MySQL, specifically in the Optimizer subcomponent, allows a highly privileged attacker with network access to compromise the server, potentially leading to a denial of service.
Understanding CVE-2019-2687
This CVE pertains to a vulnerability in Oracle MySQL's Optimizer subcomponent, affecting versions 8.0.15 and earlier.
What is CVE-2019-2687?
The vulnerability in 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.
The Impact of CVE-2019-2687
- Successful exploitation can lead to unauthorized control of the MySQL Server.
- The server may hang or crash repeatedly, causing a denial of service.
- CVSS 3.0 Base Score: 4.9 (Availability impact).
- CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Technical Details of CVE-2019-2687
This section provides detailed technical information 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.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 8.0.15 and prior
Exploitation Mechanism
- Highly privileged attacker with network access
- Multiple protocols
- Unauthorized control leading to server hang or crash
Mitigation and Prevention
Protect your systems from CVE-2019-2687 with the following steps:
Immediate Steps to Take
- Apply vendor patches and updates promptly.
- Restrict network access to the MySQL Server.
- Monitor for any unauthorized access or unusual server behavior.
Long-Term Security Practices
- Regularly update and patch all software components.
- Implement strong network security measures.
- Conduct regular security audits and assessments.
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.