CVE-2019-12099 : Exploit Details and Defense Strategies

PHP-Fusion 9.03.00 is vulnerable to remote code execution through the edit_profile.php file due to mishandling of executable files during avatar upload.

Understanding CVE-2019-12099

This CVE identifies a security vulnerability in PHP-Fusion 9.03.00 that allows remote authenticated users to execute arbitrary code.

What is CVE-2019-12099?

This CVE pertains to a flaw in PHP-Fusion 9.03.00 that enables remote authenticated users to run arbitrary code by exploiting issues in specific PHP files.

The Impact of CVE-2019-12099

The vulnerability allows attackers to execute malicious code on the server, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2019-12099

PHP-Fusion 9.03.00 is susceptible to remote code execution through the following:

Vulnerability Description

Remote authenticated users can execute arbitrary code via the edit_profile.php file.
The issue arises from mishandling of executable files during avatar upload in specific PHP files.

Affected Systems and Versions

Product: PHP-Fusion 9.03.00
Vendor: PHP-Fusion
Version: All versions are affected.

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the avatar upload process to execute malicious code.

Mitigation and Prevention

To address CVE-2019-12099, consider the following steps:

Immediate Steps to Take

Disable file uploads in PHP-Fusion until a patch is available.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update PHP-Fusion to the latest secure version.
Implement proper input validation and file upload restrictions.

Patching and Updates

Apply patches provided by PHP-Fusion to fix the vulnerability and prevent exploitation.