CVE-2017-16145: Directory Traversal in sspa

sspa Updated 02 Oct 2025

Summary

23/07/2018
No i
High
7.5

CVE-2017-16145: Directory Traversal in sspa. Affects sspa versions < 0.1.0. No fix is published. How to fix ↓

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Background

The sspa package is an npm package used for local development. It provides functionality for resolving relative file paths. However, it is vulnerable to a directory traversal attack, where a malicious actor can access files outside of the intended directory root. This can lead to the disclosure of private files on the vulnerable system.

Vulnerability Detail

The vulnerability in sspa arises from its improper resolution of relative file paths. By manipulating the file path in a specific way, an attacker can traverse directories and access files outside of the intended directory root. For example, an attacker can send a GET request with a crafted file path to retrieve sensitive files such as /etc/passwd. This vulnerability poses a significant risk as it allows unauthorized access to confidential information.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As there is no patch available, the best workaround is to avoid using sspa in production environments. Instead, consider using an alternative package that provides similar functionality but does not suffer from the directory traversal vulnerability.

Conclusion

The sspa package is vulnerable to a directory traversal attack, allowing unauthorized access to sensitive files. It is recommended to avoid using this package in production environments and switch to a different package that does not have this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

This vulnerability allows an attacker to access sensitive files outside of the intended directory root, potentially leading to the disclosure of private information.

No, there is no patch available for this vulnerability in sspa.

Yes, this vulnerability can be exploited remotely by sending crafted requests to the vulnerable system.

If you are using sspa for local development, it is recommended to switch to a different package. If sspa is being used in a production environment, it is advised to find an alternative package that does not have this vulnerability.

You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the package-lock.json file.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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