CVE-2018-2622 : Vulnerability Insights and Analysis

Oracle MySQL Server component, specifically the Server: DDL, has a vulnerability affecting versions 5.5.58 and earlier, 5.6.38 and earlier, and 5.7.20 and earlier. This vulnerability can be exploited by a low privileged attacker with network access, leading to a compromise of the MySQL Server.

Understanding CVE-2018-2622

This CVE involves a vulnerability in the Oracle MySQL Server component, impacting various versions of the software.

What is CVE-2018-2622?

CVE-2018-2622 is a vulnerability in the MySQL Server component of Oracle MySQL, specifically affecting versions 5.5.58 and prior, 5.6.38 and prior, and 5.7.20 and prior. It allows a low privileged attacker with network access to compromise the MySQL Server using multiple protocols.

The Impact of CVE-2018-2622

Successful exploitation by a low privileged attacker can lead to a compromise of the MySQL Server.
Unauthorized actions may cause the server to hang or crash repeatedly, resulting in a denial of service.
The main impact of this vulnerability is on availability, with a CVSS 3.0 Base Score of 6.5.

Technical Details of CVE-2018-2622

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows a low privileged attacker with network access to compromise the MySQL Server, potentially leading to a denial of service.

Affected Systems and Versions

MySQL Server versions 5.5.58 and prior
MySQL Server versions 5.6.38 and prior
MySQL Server versions 5.7.20 and prior

Exploitation Mechanism

The vulnerability can be exploited by a low privileged attacker with network access using multiple protocols, enabling them to compromise the MySQL Server.

Mitigation and Prevention

To address CVE-2018-2622, follow these mitigation and prevention measures.

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 MySQL Server to the latest version.
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.
Promptly apply patches and updates to the MySQL Server to mitigate the vulnerability.