CVE-2019-2741 Explained : Impact and Mitigation
Learn about CVE-2019-2741, a vulnerability in the MySQL Server component of Oracle MySQL, impacting versions 5.7.26 and earlier, as well as 8.0.16 and earlier. Understand the exploitation risks and mitigation steps.
A vulnerability has been discovered in the MySQL Server component of Oracle MySQL, affecting versions 5.7.26 and earlier, as well as 8.0.16 and earlier. This vulnerability requires a low privileged attacker with network access through various protocols to compromise the MySQL Server, potentially leading to denial-of-service scenarios.
Understanding CVE-2019-2741
This CVE pertains to a vulnerability in the Server Audit Log subcomponent of Oracle MySQL, impacting specific versions of the MySQL Server.
What is CVE-2019-2741?
The vulnerability in the MySQL Server component of Oracle MySQL allows unauthorized actions that can cause the server to hang or crash, resulting in denial-of-service scenarios. It has a CVSS 3.0 Base Score of 5.3, primarily affecting availability.
The Impact of CVE-2019-2741
- Successful exploitation can lead to unauthorized actions causing the server to hang or crash frequently, resulting in denial-of-service scenarios.
Technical Details of CVE-2019-2741
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability allows a low privileged attacker with network access through multiple protocols to compromise the MySQL Server, potentially leading to denial-of-service scenarios.
Affected Systems and Versions
- Affected Versions: 5.7.26 and earlier, 8.0.16 and earlier
- Product: MySQL Server
- Vendor: Oracle Corporation
Exploitation Mechanism
The vulnerability is difficult to exploit and requires a low privileged attacker with network access through various protocols to compromise the MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2019-2741 is crucial to prevent potential exploitation.
Immediate Steps to Take
- Monitor vendor advisories and apply patches promptly.
- Restrict network access to the MySQL Server to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch MySQL Server installations.
- Implement network segmentation to limit access to critical servers.
Patching and Updates
- Apply the latest security patches provided by Oracle Corporation for MySQL Server.