CVE-2018-3187 : Vulnerability Insights and Analysis
Learn about CVE-2018-3187, a vulnerability in Oracle MySQL Server component allowing unauthorized access. Find mitigation steps and impact details here.
A vulnerability in the Oracle MySQL Server component (specifically the Server: Optimizer) allows a highly privileged attacker to compromise the server, affecting versions 5.7.23 and earlier, as well as 8.0.12 and earlier.
Understanding CVE-2018-3187
This CVE involves a vulnerability in the Oracle MySQL Server component, impacting specific versions and potentially leading to unauthorized activities.
What is CVE-2018-3187?
The vulnerability in the Oracle MySQL Server component allows a highly privileged attacker with network access to compromise the server. It affects versions 5.7.23 and earlier, as well as 8.0.12 and earlier.
The Impact of CVE-2018-3187
- Successful exploitation can lead to unauthorized activities such as causing the server to hang or crash, resulting in denial of service.
- Attackers can gain unauthorized access to update, insert, or delete accessible data within the MySQL Server.
- The CVSS 3.0 Base Score for this vulnerability is 5.5, with impacts on integrity and availability.
Technical Details of CVE-2018-3187
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in the Oracle MySQL Server component allows a highly privileged attacker with network access to compromise the server.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 5.7.23 and prior, 8.0.12 and prior
Exploitation Mechanism
- Highly privileged attacker with network access can exploit the vulnerability through multiple protocols.
Mitigation and Prevention
Protecting systems from CVE-2018-3187 requires immediate steps and long-term security practices.
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 to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent vulnerabilities.
- Conduct security training for employees to raise awareness of potential threats.
Patching and Updates
- Stay informed about security advisories and updates from Oracle Corporation.
- Implement a robust patch management process to ensure timely application of security fixes.