CVE-2018-19798 : Security Advisory and Response

Fleetco Fleet Maintenance Management (FMM) version 1.2 and earlier allows for unauthorized remote command execution by authenticated users through a specific vulnerability.

Understanding CVE-2018-19798

This CVE entry highlights a critical security issue in Fleetco Fleet Maintenance Management (FMM) version 1.2 and earlier.

What is CVE-2018-19798?

The vulnerability in Fleetco Fleet Maintenance Management (FMM) version 1.2 and earlier enables any authenticated user to upload a malicious ".php" file with the Content-Type set as application/x-php to the URI accidents_add.php?submit=1. By manipulating the value_Images_1 field, attackers can execute remote commands on the targeted server.

The Impact of CVE-2018-19798

This vulnerability allows attackers to perform unauthorized remote command execution on servers running Fleetco Fleet Maintenance Management (FMM) version 1.2 or earlier, potentially leading to severe consequences such as data theft, system compromise, and disruption of services.

Technical Details of CVE-2018-19798

This section delves into the technical aspects of the CVE-2018-19798 vulnerability.

Vulnerability Description

The flaw in Fleetco Fleet Maintenance Management (FMM) version 1.2 and earlier permits the uploading of a malicious ".php" file with the application/x-php Content-Type to accidents_add.php?submit=1, allowing for remote command execution via the value_Images_1 field.

Affected Systems and Versions

Fleetco Fleet Maintenance Management (FMM) version 1.2 and earlier

Exploitation Mechanism

Attackers upload a ".php" file with Content-Type application/x-php to accidents_add.php?submit=1
Exploitation involves manipulating the value_Images_1 field to execute remote commands

Mitigation and Prevention

Protecting systems from CVE-2018-19798 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Fleetco Fleet Maintenance Management (FMM) to a secure version that addresses the vulnerability
Implement strict file upload validation to prevent malicious file uploads
Monitor and restrict user permissions to minimize the risk of unauthorized actions

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities
Educate users on secure practices and the risks associated with unauthorized actions
Stay informed about security updates and patches for all software components
Implement network segmentation and access controls to limit the impact of potential breaches

Patching and Updates

Apply patches and updates provided by Fleetco for Fleet Maintenance Management (FMM) to fix the vulnerability and enhance system security