CVE-2020-14799 : Exploit Details and Defense Strategies
Learn about CVE-2020-14799, a vulnerability in Oracle MySQL Server allowing attackers to compromise the server, potentially leading to a denial of service attack. Find out the impacted versions and mitigation steps.
A vulnerability in Oracle MySQL Server allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14799
This CVE involves a security vulnerability in MySQL Server that could be exploited by an attacker with network access to compromise the server.
What is CVE-2020-14799?
The vulnerability in MySQL Server allows a high privileged attacker to compromise the server, potentially resulting in a DOS attack. The affected versions are 8.0.20 and prior.
The Impact of CVE-2020-14799
Successful exploitation of this vulnerability could allow an attacker to cause a hang or crash of the MySQL Server, leading to a denial of service situation. The CVSS 3.1 Base Score is 4.9, indicating a medium severity with high availability impact.
Technical Details of CVE-2020-14799
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially resulting in a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 8.0.20 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Availability Impact: High
- Confidentiality Impact: None
- Integrity Impact: None
Mitigation and Prevention
To address CVE-2020-14799, follow these mitigation strategies:
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 the latest version.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
- Stay informed about security updates from Oracle for MySQL Server.
- Apply patches as soon as they are released to mitigate the vulnerability effectively.