CVE-2018-2775 : What You Need to Know
Learn about CVE-2018-2775, a vulnerability in MySQL Server component of Oracle MySQL versions 5.7.21 and prior. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in the MySQL Server component of Oracle MySQL, affecting versions 5.7.21 and prior. This vulnerability can be exploited by a low privileged attacker with network access, potentially leading to a denial of service.
Understanding CVE-2018-2775
This CVE involves a vulnerability in the MySQL Server component of Oracle MySQL, impacting versions 5.7.21 and earlier.
What is CVE-2018-2775?
CVE-2018-2775 is a vulnerability in MySQL Server that allows a low privileged attacker with network access to compromise the server. Successful exploitation can lead to repeated crashes or hangs, resulting in a denial of service.
The Impact of CVE-2018-2775
The vulnerability in MySQL Server can be exploited by attackers with network access, potentially causing the server to hang or crash repeatedly. The primary impact is on the availability of the server, with a CVSS 3.0 Base Score of 6.5.
Technical Details of CVE-2018-2775
This section provides technical details about the CVE.
Vulnerability Description
The vulnerability in MySQL Server allows low privileged attackers with network access to compromise the server, potentially leading to a denial of service by causing repeated crashes or hangs.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 5.7.21 and prior
Exploitation Mechanism
- Attackers with network access can exploit the vulnerability through various protocols
- Successful attacks can result in unauthorized ability to cause repeated crashes or hangs
Mitigation and Prevention
Protecting systems from CVE-2018-2775 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
- Implement network segmentation to limit access to critical servers
- Conduct regular security audits and penetration testing
Patching and Updates
- Stay informed about security advisories from Oracle Corporation
- Apply patches promptly to address known vulnerabilities