CVE-2018-3063 : Security Advisory and Response

Oracle MySQL Server component has a vulnerability affecting versions 5.5.60 and earlier, allowing unauthorized manipulation and denial of service.

Understanding CVE-2018-3063

The vulnerability in Oracle MySQL Server can be exploited by attackers with high privileges and network access, potentially leading to a denial of service.

What is CVE-2018-3063?

The Oracle MySQL Server component, specifically the Security Privileges aspect, has a vulnerability that affects versions 5.5.60 and earlier. This vulnerability can be easily exploited by an attacker with high privileges and network access across multiple protocols. If successfully exploited, it can lead to unauthorized manipulation of the MySQL Server, causing it to hang or crash repeatedly, resulting in a complete denial of service.

The Impact of CVE-2018-3063

The vulnerability has a CVSS 3.0 Base Score of 4.9, indicating its impact on availability.
Successful exploitation can result in unauthorized manipulation and denial of service within the MySQL Server.

Technical Details of CVE-2018-3063

The technical aspects of the vulnerability in Oracle MySQL Server.

Vulnerability Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Privileges).
Easily exploitable by a high privileged attacker with network access via multiple protocols.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions affected: 5.5.60 and prior

Exploitation Mechanism

Attacker with high privileges and network access can compromise the MySQL Server.
Successful attacks can lead to unauthorized manipulation and denial of service.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-3063 vulnerability.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch the MySQL Server to address security vulnerabilities.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Stay informed about security advisories from Oracle Corporation.
Keep the MySQL Server up to date with the latest security patches and updates.