EtherFuzz: Mutation Fuzzing Smart Contracts for TOD Vulnerability Detection

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Abstract

With the development of Internet of Things technology, the use of Internet of Things is expanding, and its security risk will become an important factor restricting the development of Internet of Things technology. The application of blockchain technology in the security field of the Internet of Things can improve security problems, and the blockchain has immutable characteristics. Therefore, it is particularly important to ensure the security of blockchain smart contracts. However, the order of transaction in smart contracts is easy to be operated by miners, and there is a relative lack of tools to detect TOD (transaction-ordering dependent) vulnerabilities. The current smart contract vulnerability detection methods have the problems of low efficiency and low accuracy. Therefore, based on the study of TOD vulnerability principle, this paper creatively highlights a mutation fuzzy testing method EtherFuzz to specifically detect TOD vulnerability in smart contracts. Use the intelligent contract ABI (application binary interface) to generate test cases, test the byte code of the intelligent contract, use TOD to test oracle to detect TOD vulnerabilities, and then, mutate the tested data to generate new test cases. Finally, the behavior of smart contract operation is recorded, and the fuzzy test process is controlled until the vulnerability is detected. The experimental results show that when 987 token contracts are selected as Ethereum test objects, the false-positive rate, detection time overhead, and detection storage overhead of EtherFuzz are reduced by 74.4%, 30.1%, and 28.1%, respectively. Therefore, EtherFuzz has high speed, efficiency, and accuracy in detecting TOD vulnerabilities and has excellent application value.

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APA

Wang, X., Sun, J., Hu, C., Yu, P., Zhang, B., & Hou, D. (2022). EtherFuzz: Mutation Fuzzing Smart Contracts for TOD Vulnerability Detection. Wireless Communications and Mobile Computing, 2022. https://doi.org/10.1155/2022/1565007

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