CVE-2020-7757: Path Traversal in droppy
Summary
CVE-2020-7757: Path Traversal in droppy. Affects droppy versions < 12.2.0. No fix is published. How to fix ↓
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Background
Droppy is an npm package that provides a file sharing server with a web interface. It allows users to upload, download, and manage files through a web browser. The package is widely used for its simplicity and ease of deployment. However, all versions of droppy are vulnerable to a path traversal attack, which enables an attacker to access configuration files on the server by traversing directories.
Vulnerability Detail
The path traversal vulnerability in droppy allows an attacker to bypass the intended access restrictions and retrieve sensitive configuration files. By manipulating the file path in the server requests, an attacker can navigate outside the intended directory and access files that should not be publicly accessible. This can lead to unauthorized disclosure of sensitive information, such as database credentials or API keys. The vulnerability has a CVSS score of 6.5, indicating a moderate severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If upgrading to the latest version is not immediately feasible, a temporary workaround is to restrict access to the configuration files by modifying the server's file permissions. By setting strict file permissions, the risk of unauthorized access can be mitigated. However, this is only a temporary solution, and upgrading to the patched version is still strongly advised.
Conclusion
The path traversal vulnerability in droppy exposes sensitive configuration files to unauthorized access. To mitigate this risk, it is crucial to upgrade to the latest version of droppy (12.2.1 or higher) where the vulnerability has been patched. Restricting file permissions can serve as a temporary workaround, but it is not a long-term solution. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
Droppy is an npm package that provides a file sharing server with a web interface. It allows users to upload, download, and manage files through a web browser.
Path traversal is a technique used by attackers to access files or directories that are located outside the intended directory structure. It involves manipulating file paths in order to navigate to unauthorized locations.
The path traversal vulnerability in droppy can lead to unauthorized disclosure of sensitive information, such as database credentials or API keys. This can result in data breaches, unauthorized access to systems, and potential misuse of the exposed information.
You can use Vulert's playground at Vulert 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.
Yes, upgrading to the latest version of droppy (12.2.1 or higher) will fix the path traversal vulnerability. It is recommended to update the package as soon as possible to ensure the security of your application.
References
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