CVE-2017-3642 : Vulnerability Insights and Analysis

Oracle MySQL Server vulnerability affecting versions 5.7.18 and earlier, allowing high privileged attackers to compromise the server.

Understanding CVE-2017-3642

A vulnerability in Oracle MySQL's MySQL Server component, specifically in the Optimizer subcomponent, poses a risk to versions 5.7.18 and earlier.

What is CVE-2017-3642?

The vulnerability in MySQL Server allows a high privileged attacker with network access through multiple protocols to compromise the server, potentially leading to a denial of service (DOS) situation.

The Impact of CVE-2017-3642

Exploitable by high privileged attackers with network access
Unauthorized actions can cause server hang or crash, leading to DOS
Common Vulnerability Scoring System (CVSS) 3.0 Base Score: 4.9
Impacts on availability

Technical Details of CVE-2017-3642

A closer look at the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in the Optimizer subcomponent of MySQL Server allows unauthorized actions by attackers, impacting server availability.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions affected: 5.7.18 and earlier

Exploitation Mechanism

Attackers with high privileges and network access can exploit the vulnerability to compromise the MySQL Server.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2017-3642.

Immediate Steps to Take

Apply patches and updates promptly
Restrict network access to the MySQL Server
Monitor for any unauthorized actions or crashes

Long-Term Security Practices

Regular security assessments and audits
Implement least privilege access controls
Educate users on secure practices

Patching and Updates

Oracle and other vendors may release patches to address the vulnerability
Stay informed about security advisories and updates