LipFuzzer is a new linguistic knowledge assisted fuzzing approach to assess the security of emerging vApps (e.g., Amazon Alexa, Google Assistant). The source code is now available. Please check out the project page here.
See our NDSS’20 paper for more details: Yangyong Zhang, Lei Xu, Abner Mendoza, Guangliang Yang, Phakpoom Chinprutthiwong, Guofei Gu. “Life after Speech Recognition: Fuzzing Semantic Misinterpretation for Voice Assistant Applications.” In Proc. of the Network and Distributed System Security Symposium (NDSS’19), San Diego, California, Feb. 2019. [pdf] [bib]