CVE-2019-2486 Explained : Impact and Mitigation
Learn about CVE-2019-2486, a vulnerability in Oracle MySQL Server component affecting versions 5.7.24 and earlier, and 8.0.13 and earlier. Understand the impact, exploitation mechanism, and mitigation steps.
CVE-2019-2486 is a vulnerability in the Oracle MySQL Server component, affecting versions 5.7.24 and earlier, as well as version 8.0.13 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access, potentially leading to a denial of service situation.
Understanding CVE-2019-2486
This section provides insights into the nature and impact of the CVE-2019-2486 vulnerability.
What is CVE-2019-2486?
CVE-2019-2486 is a vulnerability in the Oracle MySQL Server component, specifically in the Server: Security: Privileges section. It allows a highly privileged attacker with network access to compromise the MySQL Server, potentially resulting in a denial of service situation.
The Impact of CVE-2019-2486
The vulnerability in CVE-2019-2486 has a CVSS 3.0 Base Score of 4.9, with the main impact being on availability. If successfully exploited, it can lead to unauthorized actions causing the server to hang or crash repeatedly, resulting in a denial of service (DOS) situation.
Technical Details of CVE-2019-2486
This section delves into the technical aspects of CVE-2019-2486.
Vulnerability Description
The vulnerability in the Oracle MySQL Server component allows a highly privileged attacker with network access to compromise the server, potentially leading to a denial of service situation.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 5.7.24 and prior, 8.0.13 and prior
Exploitation Mechanism
The vulnerability can be easily exploited by a highly privileged attacker with network access through various protocols, potentially compromising the MySQL Server.
Mitigation and Prevention
This section outlines steps to mitigate and prevent exploitation of CVE-2019-2486.
Immediate Steps to Take
- Apply security patches provided by Oracle Corporation promptly.
- Monitor network traffic for any suspicious activity targeting MySQL Server.
Long-Term Security Practices
- Implement the principle of least privilege to restrict access rights for users.
- Regularly update and patch MySQL Server to address known vulnerabilities.
Patching and Updates
Ensure that the MySQL Server is kept up to date with the latest security patches and updates to mitigate the risk of exploitation.