CVE-2020-14878 : Security Advisory and Response
Learn about CVE-2020-14878, a critical vulnerability in Oracle MySQL Server that allows attackers to compromise the server, potentially leading to a complete takeover. Find out the affected versions and mitigation steps.
A vulnerability in Oracle MySQL Server (component: Server: Security: LDAP Auth) allows attackers to compromise the server, potentially leading to a takeover.
Understanding CVE-2020-14878
This CVE involves a security vulnerability in MySQL Server that could be exploited by attackers with access to compromise the server.
What is CVE-2020-14878?
The vulnerability in Oracle MySQL Server allows low-privileged attackers with access to the server's physical communication segment to compromise the server, potentially resulting in a complete takeover.
The Impact of CVE-2020-14878
Successful exploitation of this vulnerability can lead to a complete compromise of the MySQL Server, posing risks to confidentiality, integrity, and availability. The CVSS 3.1 Base Score is 8.0, indicating a high severity level.
Technical Details of CVE-2020-14878
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows attackers with access to the physical communication segment to compromise the server, potentially resulting in a complete takeover.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 8.0.21 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Confidentiality, Integrity, and Availability Impact: High
Mitigation and Prevention
To address and prevent the exploitation of CVE-2020-14878, consider the following steps:
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Restrict access to the physical communication segment of the server.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch MySQL Server to the latest version.
- Implement network segmentation to limit access to critical server components.
- Conduct regular security audits and assessments to identify vulnerabilities.
Patching and Updates
Ensure that you regularly check for security updates and patches released by Oracle for MySQL Server to address known vulnerabilities.