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Title: A Black Box Tool for Robustness Testing of REST Services
Authors: Laranjeiro, Nuno 
Agnelo, João 
Bernardino, Jorge 
Keywords: REST; RESTful; web API; web services; robustness testing
Issue Date: 2021
Project: FCT project CISUC - UID/CEC/00326/2020 
European Social Fund, through the Regional Operational Program Centro 2020 
European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No 823788 (project ADVANCE 
project MobiWise P2020SAICTPAC/0011/2015 co-financed by COMPETE 2020, Portugal 2020 
FEDER Regional Operational Programme of Lisbon (POR LISBOA 2020 
Project 5G with Nr.024539 (POCI-01-0247-FEDER-024539) 
project ``Voice Architecture over Distributed Network'' (reference:POCI-01-0247-FEDER-039676) 
Serial title, monograph or event: IEEE Access
Volume: 9
Abstract: REST services are nowadays being used to support many businesses, with most major companies exposing their services via REST interfaces (e.g., Google, Amazon, Instagram, and Slack). In this type of scenarios, heterogeneity is prevalent and software is sometimes exposed to unexpected conditions that may activate residual bugs, leading service operations to fail. Such failures may lead to nancial or reputation losses (e.g., information disclosure). Although techniques and tools for assessing robustness have been thoroughly studied and applied to a large diversity of domains, REST services still lack practical approaches that specialize in robustness evaluation. In this paper, we present a tool (named bBOXRT) for performing robustness tests over REST services, solely based on minimal information expressed in their interface descriptions.We used bBOXRT to evaluate an heterogeneous set of 52 REST services that comprise 1,351 operations and t in distinct categories (e.g., public, private, in-house).We were able to disclose several different types of robustness problems, including issues in services with strong reliability requirements and also a few security vulnerabilities. The results show that REST services are being deployed preserving software defects that harm service integration, and also carrying security vulnerabilities that can be exploited by malicious users.
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2021.3056505
Rights: openAccess
Appears in Collections:I&D CISUC - Artigos em Revistas Internacionais

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