About Me:

Hi, I'm Mathias.
I am a PhD student at the ISEC - Institute of Information Security (former IAIK) at the Graz University of Technology under the supervision of Stefan Mangard. I focus on system security, particularly side-channel security, with an emphasis on software-based power side channels.

Interests
  • System Security
  • Side-Channel Security
  • Software-based Power Side Channels

Publications

2025
Code Encryption with Intel TME-MK for Control-Flow Enforcement
Martin Unterguggenberger, Lukas Lamster, Mathias Oberhuber, Simon Scherer, Stefan Mangard
ESORICS 2025
Info BibTex
ChoiceJacking: Compromising Mobile Devices through Malicious Chargers like a Decade ago
Florian Draschbacher, Lukas Maar, Mathias Oberhuber, Stefan Mangard
USENIX Security Symposium 2025
Artifacts evaluated: Available  CVE-2024-20900, CVE-2024-43085, CVE-2025-24193, CVE-2024-54096
Info BibTex Zenodo Black Hat Asia
Power-Related Side-Channel Attacks using the Android Sensor Framework
Mathias Oberhuber, Martin Unterguggenberger, Lukas Maar, Andreas Kogler, Stefan Mangard
Network and Distributed System Security (NDSS) 2025
Info BibTex Slides Video
2024
SLUBStick: Arbitrary Memory Writes through Practical Software Cross-Cache Attacks within the Linux Kernel
Lukas Maar, Stefan Gast, Martin Unterguggenberger, Mathias Oberhuber, Stefan Mangard
USENIX Security Symposium 2024
Artifacts evaluated: Available, Functional, Reproduced  CSAW'24 Europe Applied Research Competition (ARC) Finalist
Info BibTex Poster GitHub Slides

CVEs

2025
CVE-2025-24193
CVSS 4.0: N/A
CVE-2024-54096
CVSS 3.1: NVD 5.5   CVSS 3.1: Huawei Technologies 5.3
CVE-2024-43085
CVSS 3.1: NVD 7.8   CVSS 3.1: CISA-ADP 7.8
CVE-2024-20900
CVSS 3.1: NVD 3.3   CVSS 3.1: Samsung Mobile 4.0

Awards

2023
WKO Steiermark Stipend
Stipend for master's theses with a strong industry-related focus, awarded by the Wirtschaftskammer Steiermark (Styrian Chamber of Commerce).
2021
TU Graz 100 Siemens Master Scholarship
Scholarship awarded by Siemens and TU Graz within the TU Graz 100 program for talented master's students.
Dean's List Top 5%
Top 5% of Computer Science students at bachelor's degree completion on the TuGraz CSBME 2021 Dean's List.
2019
Dean's List Top 5%
Top 5% of second-year Computer Science students on the TuGraz CSBME 2019 Dean's List.
2018
Dean's List Top 5%
Top 5% of first-year Computer Science students on the TuGraz CSBME 2018 Dean's List.