CVE-2017-16213 : Security Advisory and Response
Learn about CVE-2017-16213, a directory traversal vulnerability in the mfrserver node module by HackerOne. Find out the impact, affected systems, exploitation method, and mitigation steps.
CVE-2017-16213, published on April 26, 2018, addresses a vulnerability in the mfrserver node module by HackerOne, allowing attackers to perform directory traversal.
Understanding CVE-2017-16213
This CVE entry highlights a security flaw in the mfrserver node module that can be exploited for unauthorized access to the filesystem.
What is CVE-2017-16213?
The vulnerability in mfrserver allows attackers to manipulate URLs by inserting "../" to gain access to directories outside the intended scope.
The Impact of CVE-2017-16213
This vulnerability poses a significant risk as it enables attackers to view, modify, or delete sensitive files on the server, potentially leading to data breaches or system compromise.
Technical Details of CVE-2017-16213
The technical aspects of this CVE include:
Vulnerability Description
The flaw in mfrserver node module allows for directory traversal, enabling unauthorized access to the filesystem by manipulating URLs.
Affected Systems and Versions
- Product: mfrserver node module
- Vendor: HackerOne
- Versions: All versions are affected
Exploitation Mechanism
Attackers exploit the directory traversal vulnerability by inserting "../" into the URL to navigate to directories outside the intended path.
Mitigation and Prevention
To address CVE-2017-16213, consider the following steps:
Immediate Steps to Take
- Disable or restrict access to the affected module until a patch is available.
- Implement input validation to sanitize user-controlled input.
- Monitor and analyze server logs for any suspicious activities.
Long-Term Security Practices
- Regularly update software and dependencies to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate developers on secure coding practices to prevent similar issues in the future.
Patching and Updates
- Check for patches or updates released by HackerOne for the mfrserver node module.
- Apply patches promptly to mitigate the directory traversal vulnerability and enhance system security.