CVE-2019-2620 : What You Need to Know
Learn about CVE-2019-2620 affecting Oracle MySQL Server versions 8.0.15 and earlier. Discover the impact, affected systems, exploitation, and mitigation steps.
A vulnerability has been discovered in the Oracle MySQL Server, affecting versions 8.0.15 and earlier, allowing a highly privileged attacker to compromise the server's security privileges.
Understanding CVE-2019-2620
This CVE pertains to a vulnerability in the MySQL Server component of Oracle MySQL, specifically in the Server: Security: Privileges subcomponent.
What is CVE-2019-2620?
The vulnerability in Oracle MySQL Server allows a highly privileged attacker with network access through multiple protocols to compromise the server, potentially leading to a denial of service by causing the server to hang or crash.
The Impact of CVE-2019-2620
The CVSS 3.0 Base Score rates the impact on system availability at 4.9, indicating a moderate impact. Successful exploitation of this vulnerability can result in unauthorized activities and server disruptions.
Technical Details of CVE-2019-2620
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows a highly privileged attacker to compromise the server's security privileges, potentially leading to a denial of service.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions Affected: 8.0.15 and prior
Exploitation Mechanism
- Highly privileged attacker with network access through multiple protocols
- Unauthorized activities leading to server hang or crash
Mitigation and Prevention
Protecting systems from CVE-2019-2620 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor patches and updates promptly
- Restrict network access to the MySQL Server
- Monitor for unauthorized activities
Long-Term Security Practices
- Regular security assessments and audits
- Implement the principle of least privilege
- Educate users on secure practices
Patching and Updates
- Regularly check for security updates from Oracle Corporation
- Apply patches as soon as they are released to mitigate the vulnerability