Computer Science > Cryptography and Security
[Submitted on 6 May 2021 (v1), last revised 20 May 2021 (this version, v3)]
Title:SmartScan: An approach to detect Denial of Service Vulnerability in Ethereum Smart Contracts
View PDFAbstract:Blockchain technology (BT) Ethereum Smart Contracts allows programmable transactions that involve the transfer of monetary assets among peers on a BT network independent of a central authorizing agency. Ethereum Smart Contracts are programs that are deployed as decentralized applications, having the building blocks of the blockchain consensus protocol. This technology enables consumers to make agreements in a transparent and conflict-free environment. However, the security vulnerabilities within these smart contracts are a potential threat to the applications and their consumers and have shown in the past to cause huge financial losses. In this paper, we propose a framework that combines static and dynamic analysis to detect Denial of Service (DoS) vulnerability due to an unexpected revert in Ethereum Smart Contracts. Our framework, SmartScan, statically scans smart contracts under test (SCUTs) to identify patterns that are potentially vulnerable in these SCUTs and then uses dynamic analysis to precisely confirm their exploitability of the DoS-Unexpected Revert vulnerability, thus achieving increased performance and more precise results. We evaluated SmartScan on a set of 500 smart contracts collected from the Etherscan. Our approach shows an improvement in precision and recall when compared to available state-of-the-art techniques.
Submission history
From: Noama Fatima Samreen [view email][v1] Thu, 6 May 2021 17:41:43 UTC (1,113 KB)
[v2] Wed, 19 May 2021 17:28:21 UTC (1,111 KB)
[v3] Thu, 20 May 2021 04:03:08 UTC (1,111 KB)
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