CVE-2018-11392 : Vulnerability Insights and Analysis

A vulnerability has been discovered in the Jigowatt "PHP Login & User Management" software, versions prior to 4.1.1, allowing remote code execution by uploading malicious PHP files.

Understanding CVE-2018-11392

This CVE involves an arbitrary file upload vulnerability in the PHP Login & User Management software, enabling the execution of arbitrary code.

What is CVE-2018-11392?

This vulnerability allows a remote user with authentication privileges to upload .php files to the web server via the profile avatar field, leading to the execution of arbitrary code.

The Impact of CVE-2018-11392

The exploitation of this vulnerability can result in unauthorized remote code execution on the affected web server.

Technical Details of CVE-2018-11392

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability exists in the /classes/profile.class.php file in the PHP Login & User Management software before version 4.1.1, as distributed in the Envato Market. It allows any authenticated remote user to upload .php files through the profile avatar field, leading to arbitrary code execution.

Affected Systems and Versions

Product: Jigowatt PHP Login & User Management
Versions Affected: Prior to 4.1.1

Exploitation Mechanism

The vulnerability is exploited by a remote user with authentication privileges uploading malicious .php files via the profile avatar field, enabling the execution of arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2018-11392 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the PHP Login & User Management software to version 4.1.1 or later to mitigate the vulnerability.
Restrict access to the profile avatar field to trusted users only.

Long-Term Security Practices

Regularly monitor and audit file uploads on the web server.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Apply security patches and updates provided by the software vendor to address known vulnerabilities.