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arXiv · 2211.06249

An Integrity-Focused Threat Model for Software Development Pipelines

B. M. Reichert·R. R. Obelheiro
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Abstract

In recent years, there has been a growing concern with software integrity, that is, the assurance that software has not been tampered with on the path between developers and users. This path is represented by a software development pipeline and plays a pivotal role in software supply chain security. While there have been efforts to improve the security of development pipelines, there is a lack of a comprehensive view of the threats affecting them. We develop a systematic threat model for a generic software development pipeline using the STRIDE framework and identify possible mitigations for each threat. The pipeline adopted as a reference comprises five stages (integration, continuous integration, infrastructure-as-code, deployment, and release), and we review vulnerabilities and attacks in all stages reported in the literature. We present a case study applying this threat model to a specific pipeline, showing that the adaptation is straightforward and produces a list of relevant threats.

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B. M. Reichert, R. R. Obelheiro. 2022-11-11. An Integrity-Focused Threat Model for Software Development Pipelines. https://arxiv.org/abs/2211.06249

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