CVE-2019-2695 : What You Need to Know
Learn about CVE-2019-2695, a vulnerability in Oracle MySQL Server's Optimizer component. Attackers with low privilege and network access can exploit this flaw, potentially leading to denial of service. Find mitigation steps and affected versions here.
A security flaw has been identified in the Oracle MySQL Server, specifically in the Optimizer component, affecting versions 8.0.15 and earlier. This vulnerability allows attackers with low privilege and network access to potentially compromise the MySQL Server, leading to denial of service.
Understanding CVE-2019-2695
This CVE pertains to a vulnerability in the MySQL Server component of Oracle MySQL, impacting versions 8.0.15 and prior.
What is CVE-2019-2695?
The vulnerability in the Optimizer component of Oracle MySQL Server allows attackers with low privilege and network access to compromise the server, potentially causing a denial of service.
The Impact of CVE-2019-2695
- Successful exploitation could lead to unauthorized individuals causing the server to hang or crash, resulting in a denial of service.
- The CVSS 3.0 Base Score for this vulnerability is 6.5, indicating its impact on availability.
Technical Details of CVE-2019-2695
This section provides technical details about the vulnerability.
Vulnerability Description
- Vulnerability Type: Easily exploitable
- Attack Vector: Network
- Privileges Required: Low
- Impact: Denial of Service
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions Affected: 8.0.15 and prior
Exploitation Mechanism
- Attackers with low privilege and network access can exploit the vulnerability through various protocols.
Mitigation and Prevention
Protecting systems from CVE-2019-2695 requires immediate steps and long-term security practices.
Immediate Steps to Take
- Apply vendor patches and updates promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update and patch all software components.
- Implement strong access controls and authentication mechanisms.
- Conduct regular security audits and assessments.
Patching and Updates
- Oracle and other vendors may release patches to address this vulnerability. Stay informed about patch releases and apply them as soon as they are available.