Description

A unauthenticated user can download, view the details and resources, and retrieve individual pages of any book in the system without any kind of authorization or authentication verification.

Unauthenticated book operations list:

1 - Download any book via the /api/reader/pdf endpoint.
2 - Get information of any book via the /api/book/<book-id>/book-info endpoint.
3 - Get all the resources of any book via the /api/book/<book-id>/book-resources endpoint .
4 - Get all the chapters of any book via the /api/book/<book-id>/chapters enpoint.
5 - Get individual pages of any book via the /api/book/<book-id>/book-page?page=<page> endpoint.
6 - Get page image of any book via the /api/reader/image?chapterId=<book-id> endpoint

Proof of Concept

Download book:

1. 1 - Send the following request, where the <chapterID> is the id of the target book.

GET /api/reader/pdf?chapterId=<chapterID>
HOST localhost:5000

2. 2 - The book is downloaded with success.

Impact

A unauthenticated user can download every book in the application and retrieve related book information, without the permissions required to do so.