Wonyoung Jung
Wonyoung Jung
Interests
- Automatic binary analysis, Fuzzing, Software development
Work Experience
Security Researcher @ Diffense (Apr 2020 - Oct 2021)
Seoul, South Korea
- Vulnerability research and N-day exploitation
- Technologies used: Python, Reversing, C/C++, Fuzzing, Docker, Kubernetes, etc.
Education
Korea Advanced Institute of Science and Technology (KAIST) (Mar 2022 - PRESENT)
Daejeon, South Korea
- M.S in Graduate School of Information Security (GSIS), @ Hacking Lab
Korea National University of Transportation(KTNU) (Mar 2019 - Feb 2022)
Uiwang, South Korea
- B.S in Computer Science and Engineering
Projects
IoT Device Vulnerability Research @ Diffense (Mar 2021 - Oct 2021)
- 0-day research on several IoT devices
- Technologies used: Reversing, Source Code Audit, Python, etc.
PDF Vulnerability Research @ Diffense (Dec 2020 - Mar 2021)
- 0-day research on PDFium, Adobe Reader DC, Foxit PDF Reader
- Technologies used: Python, Reversing, C/C++, Fuzzing, etc.
Docker & Kubernetes Vulnerability Research @ Diffense (Jul 2020 - Oct 2020)
- 1-day research on Docker, Kubernetes
- Technologies used: Golang, Python, Docker/Kubernetes management, etc.
Windows Kernel Vulnerability Research @ Diffense (Apr 2020 - Jul 2020)
- 1-day vulnerability research and exploitation on Windows kernel
- Related links: SMBGhost Exploitation
- Technologies used: Reversing, Python, etc.
Portfolio
HITB+ CyberWeek 2020 Speaker (Nov 2020)
Online
- Kernel Exploit with Filesystem Fuzzer
CodeBlue 2020 Speaker (Oct 2020)
Online
- Kernel Exploit with Filesystem Fuzzer
Diffense Windows Kernel Exploitation Taining - Trainer (Sep 2020)
Offline
- Windows Kernel Exploitation Techniques
Best of the Best (BoB) 8th (Jul 2019 - Feb 2020)
Offline
- Vulnerability Analysis Track, Level 3 Competition Training (TOP 40)
- Project: Kernel Exploit with Filesystem Fuzzer (as member), How To Find Container Platform Escape Bug? (as project leader)
30+ CVEs (- PRESENT)
- Found bugs in Chromium (PDFium), PDF readers, Linux kernel drivers, etc.