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• W4385080325 abstract "Directed grey-box fuzzers specialize in testing specific target code. They have been applied to many security applications such as reproducing known crashes and detecting vulnerabilities caused by incomplete patches. However, existing directed fuzzers favor the inputs discovering new code regardless whether the newly uncovered code is relevant to the target code or not. As a result, the fuzzers would extensively explore irrelevant code and suffer from low efficiency.In this paper, we distinguish relevant code in the target program from the irrelevant one that does not help trigger the vulnerabilities in target code. We present SelectFuzz, a new directed fuzzer that selectively explores relevant program paths for efficient crash reproduction and vulnerability detection. It identifies two types of relevant code—path-divergent code and data-dependent code, that respectively captures the control-and data- dependency with the target code. It then selectively instruments and explores only the relevant code blocks. We also propose a new distance metric that accurately measures the reaching probability of different program paths and inputs.We evaluated SelectFuzz with real-world vulnerabilities in sets of diverse programs. SelectFuzz significantly outperformed a baseline directed fuzzer by up to 46.31×, and performed the best in the Google Fuzzer Test Suite. Our experiments also demonstrated that SelectFuzz and the existing techniques such as path pruning are complementary. Finally, with SelectFuzz, we detected 14 previously unknown vulnerabilities—including 6 new CVE IDs—in well tested real-world software. Our report has led to the fix of 11 vulnerabilities." @default.
• W4385080325 created "2023-07-23" @default.
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• W4385080325 date "2023-05-01" @default.
• W4385080325 modified "2023-10-16" @default.
• W4385080325 title "SelectFuzz: Efficient Directed Fuzzing with Selective Path Exploration" @default.
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• W4385080325 doi "https://doi.org/10.1109/sp46215.2023.10179296" @default.
• W4385080325 hasPublicationYear "2023" @default.
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