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F#-based In-Course Coding Activity Platform
fsclassroom's Introduction
Seunghyun Lee (a.k.a. "Xion")
- System Security
- Binary Analysis
- Computer Architecture
- Vulnerability Research & Exploitation
- Ph.D. Student @ Carnegie Mellon University, Computer Science
- B.S. @ KAIST (2018.02. ~ 2024.02.), CS&EE double major
- Member of KAIST GoN (2018.03. ~)
- Former leader of KAIST GoN (2020.03. ~ 2021.02.)
- Member of zer0pts (2022.03. ~)
- KAIST CERT Student Senior Member (2018.08. ~ 2021.02.)
Vulnerability Disclosures & Rewards
π§βπ»
- CVE-2024-6779: Out of bounds memory access in V8 in Google Chrome
- b/346197738 (1-day): Google v8CTF exploit
- CVE-2024-6100: Type confusion in V8 in Google Chrome (TyphoonPWN 2024)
- CVE-2024-40789: Out of bounds memory access in WebKit
- CVE-2024-3914: Use after free in V8 in Google Chrome (Pwn2Own Vancouver 2024)
- CVE-2024-2886: Use after free in WebCodecs in Google Chrome (Pwn2Own Vancouver 2024)
- CVE-2023-3390 (1-day): Google kernelCTF exploit in all LTS/COS/Mitigation instances, with Dongok Kim
- CVE-2024-27934: Use after free in Deno to ACE
- CVE-2024-27933: Permission prompt bypass in Deno to ACE
- CVE-2023-29199, 30547, 37466, 37903: Sandbox escape in vm2
- CVE-2023-35926, GHSA-22rr-f3p8-5gf8: Directus, Backstage affected by vm2 sandbox escape
- CVE-2022-35951: Heap overflow in Redis
XAUTOCLAIM to RCE
- CVE-2022-35977: OOM DoS in Redis via single parameter-controlled
SETRANGE / SORT(_RO)
π
- Security Competition / CTFs
- 2023
- Challenge author of
zer0pts CTF 2023
- 1st Place,
CODEGATE CTF 2023 University Div. as KAIST GoN
- 1st Place,
Cyber Conflict Exercise 2023 (Overall Championship) as The Goose
- 1st Place,
DEFCON 31 CTF as MMM
- 2022
- Organized
2022 Spring / Fall GoN Open Qual CTF
- 2nd Place,
Cyber Conflict Exercise 2022 General Div. as The Goose
- 1st Place,
WACON 2022 as The Goose
- 2nd Place,
zer0pts CTF 2022 as Super HexaGoN
- 2021
- 1st Place,
Whitehat Contest Korea 2021 Military Div. as γ
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‘λ³Έμ μ§μΆμ»€νΈλΌμΈγ
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‘γ
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- 2nd Place,
LINE CTF 2021 as KimchiSushi
- 2nd Place,
zer0pts CTF 2021 as K-Students
- 2020
- Challenge author of
CODEGATE CTF 2020
- 1st Place,
Cyber Operations Challenge 2020 General Div. as KAIST GoN
- 1st Place,
SECCON 2020 OnlineCTF as HangulSarang
- 1st Place,
TokyoWesterns CTF 6th 2020 as D0G$
- 2019
- Finalist,
DEFCON 27 CTF as KaisHack GoN
- 2nd Place,
Cyber Operations Challenge 2019 as GoN
- 3rd Place,
CODEGATE CTF 2019 University Div. as KAIST GoN
- 2018
- Participation Award,
2018 National Cryptography Contest II-A Div.
- Academic Awards / Scholarship
- Doctoral Research Fellowship, KFAS (Fall 2024 -)
- KAIST Presidential Fellowship, KAIST (Spring 2020 - Fall 2023)
- Presidential Science Scholarship, KOSAF (Spring 2020 - Fall 2023)
- Department Honors Scholarship, School of Computing, KAIST (Spring 2020)
- Honor Student Program, KAIST (Spring 2020)
- National Scholarship for Science and Engineering, KOSAF (Spring 2018 - Fall 2019)
- Dean's List
- Spring 2023, Fall 2020, Spring 2020, Fall 2019, College of Engineering, KAIST
- Fall 2018, Spring 2018, School of Freshman, KAIST
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