CVE-2018-3276 Explained : Impact and Mitigation
Learn about CVE-2018-3276 affecting Oracle MySQL Server. This vulnerability allows high-level attackers to compromise the server, potentially leading to denial of service. Find out the impacted versions and mitigation steps.
Oracle MySQL Server is affected by a vulnerability in the Server: Memcached subcomponent, potentially allowing a high-level attacker to compromise the server. The affected versions include 5.6.41 and earlier, 5.7.23 and earlier, and 8.0.12 and earlier.
Understanding CVE-2018-3276
This CVE involves a vulnerability in Oracle MySQL's MySQL Server component, specifically in the Server: Memcached subcomponent.
What is CVE-2018-3276?
The vulnerability in MySQL Server allows a high-level attacker with network access through multiple protocols to compromise the server, potentially leading to a denial of service by causing the server to hang or crash.
The Impact of CVE-2018-3276
If exploited, this vulnerability can result in unauthorized access to disrupt the MySQL Server, impacting its availability. The CVSS 3.0 Base Score for this vulnerability is 4.9, with availability impacts.
Technical Details of CVE-2018-3276
Oracle MySQL Server vulnerability details and affected systems.
Vulnerability Description
The vulnerability in MySQL Server allows a high-level attacker with network access to compromise the server, potentially causing it to hang or crash, leading to a denial of service.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions:
- 5.6.41 and prior
- 5.7.23 and prior
- 8.0.12 and prior
Exploitation Mechanism
The vulnerability can be exploited by a high-level attacker with network access through multiple protocols, compromising the MySQL Server.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2018-3276 vulnerability.
Immediate Steps to Take
- Apply security patches provided by Oracle Corporation.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update MySQL Server to the latest version.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
Ensure that the MySQL Server is regularly patched and updated to the latest version to address known vulnerabilities.