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2013
Conference Paper
Titel
Online model-based behavioral fuzzing
Abstract
Fuzz testing or fuzzing is interface robustness testing by stressing the interface of a system under test (SUT) with invalid input data. It aims at finding security-relevant weaknesses in the implementation that may result in a crash of the system-under-test or anomalous behavior. Fuzzing means sending invalid input data to the SUT, the input space is usually huge. This is also true for behavioral fuzzing where invalid message sequences are submitted to the SUT. Because systems are getting more and more complex, testing a single invalid message sequence becomes more and more time consuming due to startup and initialization of the SUT. We present an approach to make the test execution for behavioral fuzz testing more efficient by generating test cases at runtime instead of before execution, focusing on interesting regions of a message sequence based on a previously conducted risk analysis and reducing the test space by integrating already retrieved test results in the test generation process.
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