CVE-2020-2898 : Security Advisory and Response
Learn about CVE-2020-2898, a vulnerability in MySQL Server (version 8.0.19) that allows high privileged attackers to compromise the server, potentially leading to a DOS attack. Find mitigation steps and prevention strategies here.
A vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Charsets) has been identified, affecting version 8.0.19. This vulnerability allows a high privileged attacker with network access to compromise the MySQL Server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-2898
This CVE pertains to a vulnerability in the MySQL Server product of Oracle MySQL, impacting version 8.0.19.
What is CVE-2020-2898?
The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially causing a DOS attack.
The Impact of CVE-2020-2898
Successful exploitation of this vulnerability can result in unauthorized access, leading to a hang or frequently repeatable crash of the MySQL Server. The CVSS 3.0 Base Score is 4.9, indicating medium severity with high availability impact.
Technical Details of CVE-2020-2898
This section provides technical details of the CVE-2020-2898 vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially causing a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Version: 8.0.19
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
To address CVE-2020-2898, follow these mitigation and prevention strategies.
Immediate Steps to Take
- Apply vendor-provided patches promptly.
- Monitor network traffic for signs of exploitation.
- Restrict network access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and audits.
Patching and Updates
- Stay informed about security updates from Oracle Corporation.
- Apply patches and updates as soon as they are available.