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arXiv · 2401.07148

Assessing the Effectiveness of Binary-Level CFI Techniques

Ruturaj K. Vaidya·Prasad A. Kulkarni
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Abstract

Memory corruption is an important class of vulnerability that can be leveraged to craft control flow hijacking attacks. Control Flow Integrity (CFI) provides protection against such attacks. Application of type-based CFI policies requires information regarding the number and type of function arguments. Binary-level type recovery is inherently speculative, which motivates the need for an evaluation framework to assess the effectiveness of binary-level CFI techniques compared with their source-level counterparts, where such type information is fully and accurately accessible. In this work, we develop a novel, generalized and extensible framework to assess how the program analysis information we get from state-of-the-art binary analysis tools affects the efficacy of type-based CFI techniques. We introduce new and insightful metrics to quantitatively compare source independent CFI policies with their ground truth source aware counterparts. We leverage our framework to evaluate binary-level CFI policies implemented using program analysis information extracted from the IDA Pro binary analyzer and compared with the ground truth information obtained from the LLVM compiler, and present our observations.

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Ruturaj K. Vaidya, Prasad A. Kulkarni. 2024-01-13. Assessing the Effectiveness of Binary-Level CFI Techniques. https://arxiv.org/abs/2401.07148

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