CVE-2019-2914 : Exploit Details and Defense Strategies
Learn about CVE-2019-2914, a security flaw in Oracle MySQL Server versions 5.7.27 and 8.0.17 allowing unauthorized access. Find mitigation steps and prevention measures here.
A security flaw has been discovered in the Oracle MySQL Server product, affecting versions 5.7.27 and earlier, as well as 8.0.17 and earlier. This vulnerability can be exploited by a low privileged attacker with network access, potentially leading to a denial of service.
Understanding CVE-2019-2914
This CVE pertains to a vulnerability in the encryption feature of Oracle MySQL Server, allowing unauthorized actions that can impact the server's availability.
What is CVE-2019-2914?
CVE-2019-2914 is a security vulnerability in Oracle MySQL Server versions 5.7.27 and prior, as well as 8.0.17 and prior. It enables a low privileged attacker with network access to compromise the server, potentially causing a denial of service.
The Impact of CVE-2019-2914
The vulnerability can be exploited by attackers with network access through multiple protocols, leading to unauthorized actions that may cause the server to hang or crash, resulting in a denial of service. The severity is rated with a CVSS 3.0 Base Score of 6.5, mainly affecting availability.
Technical Details of CVE-2019-2914
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in the encryption feature of Oracle MySQL Server allows a low privileged attacker to compromise the server, potentially causing a denial of service.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions Affected: 5.7.27 and prior, 8.0.17 and prior
Exploitation Mechanism
- Attackers with network access through multiple protocols can exploit the vulnerability
- Successful attacks can lead to unauthorized actions causing server hang or crash
Mitigation and Prevention
Protecting systems from CVE-2019-2914 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Oracle Corporation
- Monitor network traffic for any suspicious activity
- Restrict network access to the MySQL Server
Long-Term Security Practices
- Regularly update and patch MySQL Server installations
- Implement network segmentation to limit access to critical servers
- Conduct regular security assessments and audits
Patching and Updates
- Stay informed about security updates from Oracle Corporation
- Apply patches promptly to mitigate the vulnerability