CVE-2020-14829 : Exploit Details and Defense Strategies
Learn about CVE-2020-14829, a vulnerability in Oracle MySQL Server that allows attackers to compromise the server, potentially leading to a denial of service attack. Find out the impacted systems, exploitation mechanism, and mitigation steps.
A vulnerability in Oracle MySQL Server (component: InnoDB) allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14829
This CVE involves a vulnerability in MySQL Server that could be exploited by an attacker with network access to compromise the server.
What is CVE-2020-14829?
The vulnerability in MySQL Server (component: InnoDB) affects versions 8.0.21 and prior. It allows a high privileged attacker with network access via multiple protocols to compromise the server, potentially resulting in a DOS attack.
The Impact of CVE-2020-14829
Successful exploitation of this vulnerability can lead to unauthorized actions causing the server to hang or crash, resulting in a complete denial of service. The CVSS 3.1 Base Score is 4.9, with a focus on availability impacts.
Technical Details of CVE-2020-14829
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 leading to a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 8.0.21 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Mitigation and Prevention
Protecting systems from CVE-2020-14829 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 known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and audits to identify and mitigate risks.
Patching and Updates
Ensure that MySQL Server is regularly updated with the latest security patches to address vulnerabilities and enhance overall system security.