Projects per year
Abstract
In the last 10 years, cache attacks on Intel x86 CPUs have gained increasing attention among the scientific community and powerful techniques to exploit cache side channels have been developed. However, modern smartphones use one or more multi-core ARM CPUs that have a different cache organization and instruction set than Intel x86 CPUs. So far, no cross-core cache attacks have been demonstrated on non-rooted Android smartphones. In this work, we demonstrate how to solve key challenges to perform the most powerful cross-core cache attacks Prime+Probe, Flush+Reload, Evict+Reload, and Flush+Flush on non-rooted ARM-based devices without any privileges. Based on our techniques, we demonstrate covert channels that outperform state-of-the-art covert channels on Android by several orders of magnitude. Moreover, we present attacks to monitor tap and swipe events as well as keystrokes, and even derive the lengths of words entered on the touchscreen. Eventually, we are the first to attack cryptographic primitives implemented in Java. Our attacks work across CPUs and can even monitor cache activity in the ARM TrustZone from the normal world. The techniques we present can be used to attack hundreds of millions of Android devices.
Original language | English |
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Title of host publication | 25th USENIX Security Symposium (USENIX Security 16) |
Publisher | USENIX Association |
Pages | 549-564 |
Number of pages | 16 |
Publication status | Published - 2016 |
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Dive into the research topics of 'ARMageddon: Last-Level Cache Attacks on Mobile Devices'. Together they form a unique fingerprint.Projects
- 3 Finished
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HECTOR - Hardware enable crypto and randomness
Korak, T., Mangard, S. & Mendel, F.
1/03/15 → 31/07/18
Project: Research project
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MEMSEC - Embedded Memory Security Unit for Automotive Test Systems
1/09/14 → 31/08/17
Project: Research project
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Matthew - Multi-entity-security using active Transmission Technology for improved - Handling of Exportable security credentials Without privacy restrictions
Hanser, C., Wenger, E., Korak, T., Groß, H., Mangard, S. & Unterluggauer, T.
1/11/13 → 31/10/16
Project: Research project