YeongJin Jang (blue9057)

Ph.D. Student (Advisor : Prof. Wenke Lee)
Graduate Research Assistant
Georgia Tech Information Security Center
School of Computer Science
College of Computing
Georgia Institute of Technology

3110 Klaus Advanced Computing Building
Georgia Institute of Technology
266 Ferst Dr
Atlanta, Georgia, 30332-0765 U.S.A.
Office: 3110 Klaus Advanced Computing Building
Email : yeongjin.jang at gatech dot edu

Short Bio

YeongJin Jang is a 1st 2nd 3rd 4th 5th year Ph.D. Student, a graduate research assistant in the School of Computer Science, in the College of Computing at Georgia Institute of Technology.
He received his B.S. degree in Computer Science from KAIST in 2010.
My CV is at here.

Research Interest

My research interests are focused on system and network security.

I am participating Capture The Flag contest, a kind of hacking competition
I am(and was) a member of several CTF Teams disekt(2010~), Song of Freedom(2009~2010), and GoN(2004~2010)
I am open to exploring various interesting issues in general computer science.

Reported Vulnerabilities

syslogd in Apple iOS 7, CVE-2014-4372, worked with Dr. Tielei Wang.

Publications (My Google Scholar Page)

  1. Preventing Use-after-free with Dangling Pointers Nullification
    Byoungyoung Lee, Chengyu Song, Yeongjin Jang, Tielei Wang, Taesoo Kim, Long Lu, and Wenke Lee.
    In proceedings of The 22nd Annual Network and Distributed System Security Symposium (NDSS 15'), San Diego, CA, February 2015 (to appear).


  2. A11y Attacks: Exploiting Accessibility in Operating Systems
    Yeongjin Jang, Chengyu Song, Simon P. Chung, Tielei Wang, and Wenke Lee.
    In proceedings of The 21st ACM Conference on Computer and Communications Security (CCS 14'), Scottsdale, AZ, November 2014.
    [PDF]
    MIT Technology Review 

  3. On the Feasibility of Large-Scale Infections of iOS Devices
    Tielei Wang, Yeongjin Jang, Yizheng Chen, Pak-Ho Chung, Billy Lau, and Wenke Lee.
    In proceedings of The 23rd USENIX Security Symposium (Security 14'), San Diego, CA, August 2014.
    [PDF]
    Wired NetworkWorld NetworkWorld The Register 

  4. Mimesis Aegis: A Mimicry Privacy Shield
    Billy Lau, Pak Ho Chung, Chengyu Song, Yeongjin Jang, Wenke Lee, and Alexandra Boldyreva.
    In proceedings of The 23rd USENIX Security Symposium (Security 14'), San Diego, CA, August 2014.
    [PDF]
    Wired BestTechie 

  5. Exploiting Unpatched iOS Vulnerabilities for Fun and Profit
    Yeongjin Jang, Tielei Wang, Byoungyoung Lee, and Billy Lau
    Black Hat USA Briefings, Las Vegas, NV, August 2014.
    [Slides]
    Wired PC Mag ScienceDaily Phys.org International Business Times International Business Times CBR Online FierceMobileIT 

  6. Abusing Performance Optimization Weaknesses to Bypass ASLR
    Byoungyoung Lee, Yeongjin Jang, and Tielei Wang.
    Black Hat USA Briefings, Las Vegas, NV, August 2014.
    [Slides]


  7. Gyrus: A Framework for User-Intent Monitoring of Text-based Networked Applications.
    Yeongjin Jang, Simon P. Chung, Bryan D. Payne, and Wenke Lee.
    In proceedings of The 21st Annual Network and Distributed System Security Symposium (NDSS 14'), San Diego, CA, February 2014.
    [PDF] [Slides]
    GT News Center Top Tech News Business Standard CBR Online ECN Mag UPI 

  8. Mactans: Injecting Malware Into iOS Devices via Malicious Chargers.
    Billy Lau, Yeongjin Jang, Chengyu Song, Tielei Wang, Pak Ho Chung, and Paul Royal.
    Black Hat USA Briefings, Las Vegas, NV, August 2013.
    [PDF] [Slides]
    Forbes CNN ZDNet CBSNews HuffPost ArsTechnica TheHackerNews BusinessInsider 

Professional Experience

Security Axioms, Inc (Chief Engineer) [May 2012 - Current]