CVE-2019-2625 : What You Need to Know
Learn about CVE-2019-2625, a vulnerability in Oracle MySQL Server versions 8.0.15 and earlier, allowing attackers to compromise the server's availability. Find mitigation steps and prevention measures here.
A vulnerability has been identified in Oracle MySQL Server, affecting versions 8.0.15 and earlier, with potential risks to server availability.
Understanding CVE-2019-2625
This CVE involves a vulnerability in the Optimizer component of Oracle MySQL Server, allowing a highly privileged attacker with network access to compromise the server.
What is CVE-2019-2625?
The vulnerability in Oracle MySQL Server versions 8.0.15 and prior enables unauthorized manipulation by attackers with network access, potentially leading to server crashes or hangs, resulting in denial-of-service situations.
The Impact of CVE-2019-2625
The vulnerability, with a CVSS 3.0 Base Score of 4.9, primarily affects the availability of the MySQL Server. Attackers exploiting this vulnerability could cause repeated server crashes or hangs, impacting its functionality.
Technical Details of CVE-2019-2625
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially causing repeated crashes or hangs.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions Affected: 8.0.15 and prior
Exploitation Mechanism
The vulnerability can be exploited by attackers with network access through multiple protocols, enabling them to compromise the MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2019-2625 is crucial to prevent potential attacks.
Immediate Steps to Take
- Apply security patches provided by Oracle Corporation promptly.
- Monitor network traffic for any suspicious activities.
- Restrict network access to the MySQL Server to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch the MySQL Server to address known vulnerabilities.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Patching and Updates
Ensure that the MySQL Server is updated with the latest patches and security updates to mitigate the risks associated with CVE-2019-2625.