CVE-2019-5447 : Vulnerability Insights and Analysis

A path traversal vulnerability in the http-file-server npm module allows attackers to list files in arbitrary folders.

Understanding CVE-2019-5447

This CVE involves a path traversal vulnerability in versions equal to or less than v0.2.6 of the http-file-server npm module.

What is CVE-2019-5447?

Attackers can exploit this vulnerability to enumerate files within arbitrary directories by manipulating file paths.

The Impact of CVE-2019-5447

This vulnerability can lead to unauthorized access to sensitive files and data stored on the server, compromising the confidentiality and integrity of the system.

Technical Details of CVE-2019-5447

The technical details of this CVE include:

Vulnerability Description

The vulnerability allows attackers to perform path traversal attacks, accessing files outside the intended directory structure.

Affected Systems and Versions

Product: http-file-server
Vendor: n/a
Versions affected: <= v0.2.6

Exploitation Mechanism

Attackers exploit this vulnerability by manipulating file paths to access files in directories they should not have permission to view.

Mitigation and Prevention

To address CVE-2019-5447, consider the following steps:

Immediate Steps to Take

Update http-file-server to a version beyond v0.2.6 to mitigate the vulnerability.
Implement input validation to prevent malicious input that could lead to path traversal attacks.

Long-Term Security Practices

Regularly monitor and audit file access and permissions on the server.
Educate developers on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates for http-file-server and promptly apply patches to address known vulnerabilities.