CVE-2017-5520 : What You Need to Know

GeniXCMS version 0.0.8 is vulnerable to a security issue where the media rename functionality allows users to modify and execute files with PHP content using alternative file extensions.

Understanding CVE-2017-5520

In this CVE, the lack of proper validation in GeniXCMS version 0.0.8 exposes a risk where users can manipulate and run files with PHP content using extensions like

.php6

,

.php7

, and

.phtml

.

What is CVE-2017-5520?

The vulnerability in GeniXCMS version 0.0.8 allows unauthorized users to rename and execute files with PHP content by exploiting alternative PHP file extensions.

The Impact of CVE-2017-5520

This vulnerability could lead to unauthorized execution of malicious PHP files, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2017-5520

GeniXCMS version 0.0.8 vulnerability details:

Vulnerability Description

The media rename feature in GeniXCMS 0.0.8 does not properly consider alternative PHP file extensions when checking uploaded files, enabling users to rename and execute PHP files with extensions like

.php6

,

.php7

, and

.phtml

.

Affected Systems and Versions

Product: GeniXCMS
Version: 0.0.8

Exploitation Mechanism

The vulnerability allows attackers to upload PHP files with alternative extensions and execute them on the server, potentially leading to unauthorized access and code execution.

Mitigation and Prevention

Protect your system from CVE-2017-5520:

Immediate Steps to Take

Disable file upload functionality if not essential
Implement file type validation for uploaded content
Regularly monitor and review uploaded files for suspicious activity

Long-Term Security Practices

Keep software and plugins updated to prevent vulnerabilities
Conduct regular security audits and penetration testing
Educate users on safe file handling practices

Patching and Updates

Apply patches or updates provided by GeniXCMS to address the vulnerability and enhance system security