Yoochan Lee

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I’m a Ph.D student in department of Electrical & Computer Engineering at Seoul National Univerity.

My advisor is Byoungyoung Lee @lifeasageek. In general, my research area is System and Software Security. I focus on evolutionizing exploitation techniques such as combining exploitation technique and side-channel attacks. I mainly focus on doing research that is of interest to academia and industry.

news

Feb 3, 2023 My talk about macOS privilege escalation is accepted to the Hack In The Box Amsterdam 2023!
Jul 28, 2022 Pspray is accepted to USENIX Security 2023!
Mar 22, 2022 I receive macOS bug bounty reward ($34,000): [CVE-2021-31077] macOS - Kernel heap overflow leads to Local Privilege Escalation

selected publications

  1. SEC
    Pspray: Timing Side-Channel based Linux Kernel Heap Exploitation Technique
    Yoochan Lee, Jinhan Kwak, Junesoo Kang, and 2 more authors
    In 32nd USENIX Security Symposium (USENIX Security 23), Aug 2023
    PDF
  2. SEC
    ExpRace: Exploiting Kernel Races through Raising Interrupts.
    Yoochan Lee, Changwoo Min, and Byoungyoung Lee
    In 30th USENIX Security Symposium (USENIX Security 21), Aug 2021
    PDF