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Covert and Side Channels Due to Processor Architecture
Abstract
Information leakage through covert channels and side channels is becoming a serious problem, especially when these are enhanced by modern processor architecture features. We show how processor architecture features such as simultaneous multithreading, control speculation and shared caches can inadvertently accelerate such covert channels or enable new covert channels and side channels. We first illustrate the reality and severity of this problem by describing concrete attacks. We identify two new covert channels. We show orders of magnitude increases in covert channel capacities. We then present two solutions, Selective Partitioning and the novel random permutation cache (RPCache). The RPCache can thwart most cache-based software side channel attacks, with minimal hardware costs and negligible performance impact
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Cited by
HomeAlone: Co-residency Detection in the Cloud via Side-Channel Analysis
Zhang, Y., Juels, A., Oprea, A., & Reiter, M. K. (2011) · 2011 IEEE Symposium on Security and Privacy · doi:10.1109/sp.2011.31 · Cited by 340
SgxPectre: Stealing Intel Secrets from SGX Enclaves Via Speculative Execution
Chen, G., Chen, S., Xiao, Y., Zhang, Y., Lin, Z., & Lai, T. H. (2019) · 2019 IEEE European Symposium on Security and Privacy (EuroS&P) · doi:10.1109/eurosp.2019.00020 · Cited by 319
CHERI: A Hybrid Capability-System Architecture for Scalable Software Compartmentalization
Watson, R. N. M., Woodruff, J., Neumann, P. G., Moore, S. W., Anderson, J., Chisnall, D., Dave, N., Davis, B., Gudka, K., Laurie, B., et al. (2015) · 2015 IEEE Symposium on Security and Privacy · doi:10.1109/sp.2015.9 · Cited by 270
Wait a Minute! A fast, Cross-VM Attack on AES
Irazoqui, G., Inci, M. S., Eisenbarth, T., & Sunar, B. (2014) · Lecture Notes in Computer Science · doi:10.1007/978-3-319-11379-1_15 · Cited by 258
Metadata
- Authors
- Wang, Z., & Lee, R.
- Venue
- 2006 22nd Annual Computer Security Applications Conference (ACSAC'06)
- Publisher
- IEEE
- Published
- 2006-12
- Pages
- 473-482
- ISSN
- 1063-9527 (ISSN-L)
- OpenAlex
- W2104182023
- Cited by
- 270
- References
- 0
- FWCI
- 2.40
- Type
- conference paper
- Language
- en
- Open access
- closed
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