Assessing the Threat Level of Software Supply Chains with the Log Model

• URL: http://arxiv.org/abs/2311.11725v1
• Date: Mon, 20 Nov 2023 12:44:37 GMT
• Title: Assessing the Threat Level of Software Supply Chains with the Log Model
• Authors: Luıs Soeiro, Thomas Robert, Stefano Zacchiroli,
• Abstract summary: The use of free and open source software (FOSS) components in all software systems is estimated to be above 90%. This work presents a novel approach of assessing threat levels in FOSS supply chains with the log model.
• Score: 4.1920378271058425
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The use of free and open source software (FOSS) components in all software systems is estimated to be above 90%. With such high usage and because of the heterogeneity of FOSS tools, repositories, developers and ecosystem, the level of complexity of managing software development has also increased. This has amplified both the attack surface for malicious actors and the difficulty of making sure that the software products are free from threats. The rise of security incidents involving high profile attacks is evidence that there is still much to be done to safeguard software products and the FOSS supply chain. Software Composition Analysis (SCA) tools and the study of attack trees help with improving security. However, they still lack the ability to comprehensively address how interactions within the software supply chain may impact security. This work presents a novel approach of assessing threat levels in FOSS supply chains with the log model. This model provides information capture and threat propagation analysis that not only account for security risks that may be caused by attacks and the usage of vulnerable software, but also how they interact with the other elements to affect the threat level for any element in the model.

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