CVE-2019-18384 : Exploit Details and Defense Strategies

A vulnerability has been found on TerraMaster FS-210 4.0.19 devices where a remote authenticated user without administrative privileges can access unauthorized shared files.

Understanding CVE-2019-18384

This CVE identifies a security flaw in TerraMaster FS-210 4.0.19 devices that allows authenticated users to view unauthorized shared files.

What is CVE-2019-18384?

This vulnerability enables authenticated but non-administrative users to access shared files without proper authorization, potentially leading to a breach of sensitive information.

The Impact of CVE-2019-18384

Unauthorized access to shared files by authenticated users can compromise the confidentiality and integrity of sensitive data stored on TerraMaster FS-210 4.0.19 devices.

Technical Details of CVE-2019-18384

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue allows authenticated remote non-administrative users to read unauthorized shared files, as demonstrated by specific file name patterns.

Affected Systems and Versions

Affected System: TerraMaster FS-210 4.0.19
Affected Users: Authenticated but non-administrative users

Exploitation Mechanism

The vulnerability can be exploited by observing specific file name patterns, such as the presence of the substring "filename=public%25252Fadmin_OnlyRead.txt".

Mitigation and Prevention

Protect your system from CVE-2019-18384 by following these mitigation strategies.

Immediate Steps to Take

Regularly monitor file access logs for suspicious activities.
Restrict user permissions to prevent unauthorized access to shared files.

Long-Term Security Practices

Conduct regular security audits to identify and address vulnerabilities.
Educate users on secure file sharing practices to prevent unauthorized access.

Patching and Updates

Apply security patches and updates provided by TerraMaster to address this vulnerability.