Executive Summary

This vulnerability is an Insecure Direct Object Reference (IDOR) in the vehicleId parameter. It allows an attacker to bypass authorization controls and access sensitive information of other users' vehicles by manipulating the vehicleId value. Instead of accessing only their own vehicle data, an attacker can retrieve data such as GPS coordinates, encryption keys, initialization vectors, model numbers, and fuel statistics belonging to other users.

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Impact Analysis

Exploiting this vulnerability can lead to unauthorized disclosure of sensitive vehicle information, including location data (GPS coordinates), cryptographic keys, and vehicle details. This can compromise user privacy, enable tracking of vehicle movements, and potentially facilitate further attacks using the exposed encryption keys and other data.

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Mitigation Strategies

Apply the server-side authorization fix to ensure that the vehicleId parameter cannot be used to access data of other users' vehicles. This fix should restrict access so that users can only retrieve data related to their own vehicles.

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