The fuzzing awakens: File format-aware mutational fuzzing on smartphone media server daemons

Min Sik Shin, Jung Been Yu, Young Jin Yoon, Taekyoung Kwon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Media server daemons, running with a high privilege in the background, are attractive attack vectors that exist across various systems including smartphones. Fuzzing is a popularly used methodology to find software vulnerabilities although symbolic execution and advanced techniques are obviously promising. Unfortunately, fuzzing itself is not effective in such format-strict environments as media services. Thus, we study file format-aware fuzzing as a technical blend for finding new vulnerabilities. We present our black-box mutational fuzzing on the latest smartphone systems, Android and iOS, respectively, with manipulation of the MPEG-4 Part 14 file format and show results that affect a wide range of related systems. In our approach, we automate a seed file selection process to crawl a crowd-sourcing public website and validate arbitrary m4a/mp4 audio files according to the FOURCC atom list we gained through white-box analysis in Android. We acquired eight seed files covering all effective atoms in 2,600 s. We then performed size field mutation in a little amount and generated 1,102 test cases common to both systems. During six CPU hours of fuzzing, we identified three crash atoms in iOS 9.3.5 and 15 in Android 6.0.1, respectively. Due to formatawareness, we were able to easily locate crash points through a mutation table. It was discovered that the new crash atoms found in iOS allowed remote attackers to execute arbitrary code or cause a denial of service by memory corruption in iOS and also OS X, tvOS and watchOS.

Original languageEnglish
Title of host publicationICT Systems Security and Privacy Protection - 32nd IFIP TC 11 International Conference, SEC 2017, Proceedings
EditorsSabrina De Capitani di Vimercati, Fabio Martinelli
PublisherSpringer New York LLC
Pages219-232
Number of pages14
ISBN (Print)9783319584683
DOIs
Publication statusPublished - 2017 Jan 1
Event32nd International Conference on ICT Systems Security and Privacy Protection, IFIP SEC 2017 - Rome, Italy
Duration: 2017 May 292017 May 31

Publication series

NameIFIP Advances in Information and Communication Technology
Volume502
ISSN (Print)1868-4238

Other

Other32nd International Conference on ICT Systems Security and Privacy Protection, IFIP SEC 2017
CountryItaly
CityRome
Period17/5/2917/5/31

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Computer Networks and Communications
  • Information Systems and Management

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  • Cite this

    Shin, M. S., Yu, J. B., Yoon, Y. J., & Kwon, T. (2017). The fuzzing awakens: File format-aware mutational fuzzing on smartphone media server daemons. In S. De Capitani di Vimercati, & F. Martinelli (Eds.), ICT Systems Security and Privacy Protection - 32nd IFIP TC 11 International Conference, SEC 2017, Proceedings (pp. 219-232). (IFIP Advances in Information and Communication Technology; Vol. 502). Springer New York LLC. https://doi.org/10.1007/978-3-319-58469-0_15