Vercel File Disclosure Scanner

Vercel is a platform widely used by developers and businesses to deploy cloud applications seamlessly. It integrates easily with several programming languages and frameworks, providing a unified workflow for building, deploying, and managing modern web applications. The platform is popular for its speed, reliability, and ease of use, catering to both small projects and enterprise-level applications. With Vercel, developers can focus on remixing interfaces in real-time for a smoother user experience. The platform's configuration files guide deployment processes and ensure applications are delivered with optimal performance and custom configurations.

Vercel Config File Disclosure allows sensitive configuration files to be publicly accessible due to improper file configuration or exposure. This vulnerability can lead to a variety of security risks, including unauthorized access to project configurations. Attackers exploiting this vulnerability might gain insights into project deployment configurations and misuse this information for malicious activities. Verifying if your Vercel configuration files are exposed on the web ensures that sensitive deployment information remains confidential. This scanner checks for publicly accessible Vercel JSON configuration files and alerts users to potential exposure.

Technical details of this vulnerability involve exposed configuration files, usually accessible through predictable paths like `/vercel.json` on deployed web assets. The configuration JSON file may contain arrays or objects with keys like `"builds"`, `"routes"`, and `"use"`, which are indicative of a Vercel setup. Scanners detect exposure by analyzing these keys and matching content types indicative of JSON application files. Without adequate access restrictions, these files can be fetched over HTTP, leading to unauthorized file access.

If malicious individuals exploit the Vercel Config File Disclosure vulnerability, they might access and potentially alter project configurations, affecting application functionality. They can glean insights into the application's structure, deployment processes, and dependencies, which can be exploited further. Misuse of disclosed configuration files can lead to unauthorized application behavior, security breaches, and data exposure. Regular monitoring and secure configurations are essential to mitigate these risks.

REFERENCES

• https://vercel.com/docs/project-configuration