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- W2775587745 abstract "In this paper we revisit the security properties of extended access control schemes that are used to protect application secrets from untrusted system software. We demonstrate the vulnerability of several recent proposals to a class of attacks we call mapping attacks. We argue that protection from such attacks requires verification of the address space integrity and propose the concept of self-verified address spaces (SVAS), where the applications themselves are made aware of the requested changes in the page mappings and are placed in charge of verifying them. SVAS equips an application with a customized verification model with several attractive functional and performance properties. We implemented the attacks and a complete prototype of SVAS in Linux and the QEMU emulator. Our results demonstrate that SVAS can prevent mapping attacks on extended access control systems with minimal performance overhead, hardware modifications and software complexity." @default.
- W2775587745 created "2017-12-22" @default.
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- W2775587745 date "2017-11-13" @default.
- W2775587745 modified "2023-09-26" @default.
- W2775587745 title "Hardening extended memory access control schemes with self-verified address spaces" @default.
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- W2775587745 doi "https://doi.org/10.5555/3199700.3199752" @default.
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