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Award ID contains: 1912608

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  1. ; ; ; ; ; ; ; ; ; (, 2022 55th IEEE/ACM International Symposium on Microarchitecture (MICRO))
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  2. ; ; ; (, Proceedings of the 31st USENIX Security Symposium)
    Accepted Manuscript Full Text Available
  3. ; ; ; ; (, 2021 ACM/IEEE 48th Annual International Symposium on Computer Architecture (ISCA))
    null (Ed.)
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  4. ; ; ; ; ; (, 2021 ACM/IEEE 48th Annual International Symposium on Computer Architecture (ISCA))
    null (Ed.)
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  5. ; (, 2020 ACM/IEEE 47th Annual International Symposium on Computer Architecture (ISCA))
    null (Ed.)
    This work introduces the CHEx86 processor architecture for securing applications, including legacy binaries, against a wide array of security exploits that target temporal and spatial memory safety vulnerabilities such as out-of-bounds accesses, use-after-free, double-free, and uninitialized reads, by instrumenting the code at the microcode-level, completely under-the-hood, with only limited access to source-level symbol information. In addition, this work presents a novel scheme for speculatively tracking pointer arithmetic and pointer movement, including the detection of pointer aliases in memory, at the machine code-level using a configurable set of automatically constructed rules. This architecture outperforms the address sanitizer, a state-of-the-art software-based mitigation by 59%, while eliminating porting, deployment, and verification costs that are invariably associated with recompilation. 
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