CVE-2020-14643 : Security Advisory and Response
Learn about CVE-2020-14643, a vulnerability in Oracle MySQL Server allowing unauthorized access and potential denial of service attacks. Find mitigation steps and affected versions here.
A vulnerability in Oracle MySQL Server (component: Server: Security: Roles) allows a high privileged attacker to compromise the server. The affected versions are 8.0.20 and prior, with a CVSS 3.1 Base Score of 5.5.
Understanding CVE-2020-14643
This CVE involves a security vulnerability in Oracle MySQL Server that could lead to unauthorized access and potential denial of service attacks.
What is CVE-2020-14643?
The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server. Successful exploitation can result in unauthorized access to data and potential denial of service attacks.
The Impact of CVE-2020-14643
Successful attacks can lead to unauthorized access to MySQL Server data, causing a hang or repeatable crash (DOS) of the server. The integrity and availability of the server are compromised, with a CVSS 3.1 Base Score of 5.5.
Technical Details of CVE-2020-14643
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows attackers with network access to compromise MySQL Server, leading to unauthorized data access and potential denial of service attacks.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 8.0.20 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- Availability Impact: High
- Integrity Impact: Low
Mitigation and Prevention
Protecting systems from CVE-2020-14643 is crucial to maintaining security.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update and patch MySQL Server to address security vulnerabilities.
- Implement strong access controls and authentication mechanisms.
- Conduct regular security audits and assessments.
Patching and Updates
Ensure that the MySQL Server is updated with the latest security patches and versions to mitigate the risk of exploitation.