CVE-2018-3080 : What You Need to Know

A weakness has been identified in the MySQL Server component of Oracle MySQL, affecting versions 8.0.11 and earlier. This vulnerability allows a highly privileged attacker with network access to compromise the server, potentially leading to denial of service attacks.

Understanding CVE-2018-3080

This CVE involves a vulnerability in the MySQL Server component of Oracle MySQL, specifically in the Server: DDL aspect.

What is CVE-2018-3080?

The vulnerability affects versions 8.0.11 and prior of MySQL Server by Oracle Corporation.
It can be exploited by a highly privileged attacker with network access through various protocols.
Successful exploitation could result in unauthorized disruptions like server crashes, leading to denial of service.
The CVSS 3.0 Base Score for this vulnerability is 4.9, primarily impacting availability.

The Impact of CVE-2018-3080

The vulnerability allows attackers to compromise the MySQL Server, potentially causing repeated crashes or hangs, resulting in denial of service.

Technical Details of CVE-2018-3080

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows a highly privileged attacker to compromise the server through network access.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Affected Versions: 8.0.11 and prior

Exploitation Mechanism

Attackers with network access can exploit this vulnerability to compromise the MySQL Server, leading to denial of service.

Mitigation and Prevention

Protecting systems from CVE-2018-3080 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Oracle Corporation promptly.
Monitor network traffic for any suspicious activities.
Restrict network access to the MySQL Server to authorized personnel only.

Long-Term Security Practices

Regularly update and patch MySQL Server to address known vulnerabilities.
Implement network segmentation to limit the exposure of critical servers.

Patching and Updates

Stay informed about security advisories from Oracle Corporation and apply patches as soon as they are released.