Papers › Mining REST APIs for Potential Mass Assignment Vulnerabilities

Mining REST APIs for Potential Mass Assignment Vulnerabilities

2 May 2024arXiv:2405.01111links table onlyarchive 2025-07-28

Arash Mazidi, Davide Corradini, Mohammad Ghafari

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REST APIs have a pivotal role in accessing protected resources. Despite the availability of security testing tools, mass assignment vulnerabilities are common in REST APIs, leading to unauthorized manipulation of sensitive data. We propose a lightweight approach to mine the REST API specifications and identify operations and attributes that are prone to mass assignment. We conducted a preliminary study on 100 APIs and found 25 prone to this vulnerability. We confirmed nine real vulnerable operations in six APIs.

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