CVE-2017-16148 : Security Advisory and Response

serve46 is a static file server that is vulnerable to a directory traversal issue, allowing attackers to access the filesystem by manipulating the URL.

Understanding CVE-2017-16148

serve46 node module by HackerOne is affected by a directory traversal vulnerability that enables unauthorized access to the file system.

What is CVE-2017-16148?

The serve46 file server is susceptible to a directory traversal vulnerability. Attackers can exploit this flaw by adding "../" to the URL, gaining unauthorized access to the file system.

The Impact of CVE-2017-16148

Attackers can access sensitive files and directories on the server, potentially leading to data breaches and unauthorized data manipulation.

Technical Details of CVE-2017-16148

serve46 node module by HackerOne is affected by a critical vulnerability that allows for unauthorized access to the file system.

Vulnerability Description

The vulnerability in serve46 allows attackers to perform directory traversal, accessing files and directories outside the intended directory structure.

Affected Systems and Versions

Product: serve46 node module
Vendor: HackerOne
Versions: All versions

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the URL and adding "../" to traverse directories and access unauthorized files.

Mitigation and Prevention

Immediate Steps to Take

Update serve46 to the latest version to patch the directory traversal vulnerability.
Implement input validation to prevent malicious input from reaching the file system. Long-Term Security Practices
Regularly monitor and audit file access logs for any suspicious activity.
Educate developers on secure coding practices to prevent similar vulnerabilities in the future.
Consider implementing additional security measures such as access controls and file system permissions.
Patching and Updates
Stay informed about security advisories and updates related to serve46 to apply patches promptly.