CVE-2018-19422 : Vulnerability Insights and Analysis

This CVE record relates to a vulnerability in Subrion CMS 4.2.1 that allows remote attackers to execute unauthorized PHP code.

Understanding CVE-2018-19422

This vulnerability stems from the omission of .pht or .phar file extensions in the .htaccess file of Subrion CMS 4.2.1's /panel/uploads feature.

What is CVE-2018-19422?

The CVE-2018-19422 vulnerability in Subrion CMS 4.2.1 enables remote attackers to execute PHP code without authorization.

The Impact of CVE-2018-19422

The vulnerability allows unauthorized individuals to run malicious PHP code on the affected system, potentially leading to data breaches, system compromise, and unauthorized access.

Technical Details of CVE-2018-19422

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw arises from the lack of .pht or .phar file extensions in the .htaccess file of Subrion CMS 4.2.1's /panel/uploads feature, enabling the execution of unauthorized PHP code.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading PHP files without the required extensions, allowing them to execute malicious code remotely.

Mitigation and Prevention

Protecting systems from CVE-2018-19422 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable file uploads in the affected feature of Subrion CMS 4.2.1.
Implement strict file type validation to prevent unauthorized file execution.

Long-Term Security Practices

Regularly update and patch Subrion CMS to address security vulnerabilities.
Conduct security audits to identify and mitigate potential risks.

Patching and Updates

Apply patches provided by Subrion CMS to fix the vulnerability and enhance system security.