CVE-2021-30177 : Vulnerability Insights and Analysis

A SQL Injection vulnerability in PHP-Nuke 8.3.3 allows remote code execution due to lack of proper validation in the User Registration section.

Understanding CVE-2021-30177

This CVE identifies a security flaw in PHP-Nuke 8.3.3 that exposes systems to SQL Injection attacks, potentially leading to remote code execution.

What is CVE-2021-30177?

The vulnerability arises in the User Registration section of PHP-Nuke 8.3.3, where inadequate validation of the U.S. state and OrderBy fields allows malicious SQL Injection leading to remote code execution.

The Impact of CVE-2021-30177

Exploitation of this vulnerability can result in unauthorized access, data manipulation, or full control of the affected system by an attacker remotely.

Technical Details of CVE-2021-30177

The technical aspects of this CVE include:

Vulnerability Description

PHP-Nuke 8.3.3 does not properly validate the U.S. state and OrderBy field inputs, enabling attackers to inject SQL queries and execute arbitrary code remotely.

Affected Systems and Versions

All instances of PHP-Nuke 8.3.3 are affected by this vulnerability if not patched with the necessary security updates.

Exploitation Mechanism

Remote attackers exploit the lack of input validation in the User Registration section to inject malicious SQL queries, achieving remote code execution capabilities.

Mitigation and Prevention

To protect against CVE-2021-30177, consider the following:

Immediate Steps to Take

Update PHP-Nuke to the latest patched version that addresses the SQL Injection vulnerability.

Long-Term Security Practices

Implement input validation mechanisms for all user inputs and sanitize data to prevent SQL Injection attacks.

Patching and Updates

Regularly monitor security advisories and apply patches promptly to mitigate known vulnerabilities.