CVE-2020-13978 : Security Advisory and Response

Monstra CMS 3.0.4 allows an attacker with administrative access to execute arbitrary OS commands via the Theme Module, posing a security risk.

Understanding CVE-2020-13978

Monstra CMS 3.0.4 vulnerability allows unauthorized execution of OS commands by an attacker with administrative privileges.

What is CVE-2020-13978?

Monstra CMS 3.0.4 permits attackers with administrative access to run arbitrary OS commands through the Theme Module by manipulating .chunk.php files.

The Impact of CVE-2020-13978

The vulnerability enables attackers to execute unauthorized OS commands, potentially leading to system compromise and data breaches.

Technical Details of CVE-2020-13978

The technical aspects of the CVE-2020-13978 vulnerability are outlined below:

Vulnerability Description

Attackers with administrative access can modify .chunk.php files to execute OS commands via the Theme Module.

Affected Systems and Versions

Monstra CMS 3.0.4

Exploitation Mechanism

Attackers exploit the vulnerability by visiting the admin/index.php?id=themes&action=edit_chunk URI.

Mitigation and Prevention

Protect your system from CVE-2020-13978 with the following measures:

Immediate Steps to Take

Monitor and restrict administrative access to prevent unauthorized modifications.
Regularly review and update access controls to limit the execution of OS commands.

Long-Term Security Practices

Implement code reviews and security audits to identify and address vulnerabilities.
Educate administrators on secure coding practices and the risks of unauthorized command execution.

Patching and Updates

Apply patches and updates provided by Monstra CMS to address the vulnerability.