tag: USENIX Security Symposium

Database Reconstruction from Noisy Volumes: A Cache Side-Channel Attack on SQLite
By Technical Paper Link - 08 Sep, 2021 - Comments: 0

Authors: Aria Shahverdi, University of Maryland; Mahammad Shirinov, Bilkent University; Dana Dachman-Soled, University of Maryland Abstract: "We demonstrate the feasibility of database reconstruction under a cache side-channel attack on SQLite. Specifically, we present a Flush+Reload attack on SQLite that obtains approximate (or "noisy") volumes of range queries made to a private database... » read more

SMASH: Synchronized Many-sided Rowhammer Attacks from JavaScript
By Technical Paper Link - 08 Sep, 2021 - Comments: 0

Authors: Finn de Ridder, ETH Zurich and VU Amsterdam; Pietro Frigo, Emanuele Vannacci, Herbert Bos, and Cristiano Giuffrida, VU Amsterdam; Kaveh Razavi, ETH Zurich Abstract: "Despite their in-DRAM Target Row Refresh (TRR) mitigations, some of the most recent DDR4 modules are still vulnerable to many-sided Rowhammer bit flips. While these bit flips are exploitable from native code, tri... » read more

Automatic Extraction of Secrets from the Transistor Jungle using Laser-Assisted Side-Channel Attacks
By Technical Paper Link - 08 Sep, 2021 - Comments: 0

Abstract:  "The security of modern electronic devices relies on secret keys stored on secure hardware modules as the root-of-trust (RoT). Extracting those keys would break the security of the entire system. As shown before, sophisticated side-channel analysis (SCA) attacks, using chip failure analysis (FA) techniques, can extract data from on-chip memory cells. However, since the chip's... » read more

On the Design and Misuse of Microcoded (Embedded) Processors — A Cautionary Note
By Technical Paper Link - 08 Sep, 2021 - Comments: 0

Abstract:  "Today's microprocessors often rely on microcode updates to address issues such as security or functional patches. Unfortunately, microcode update flexibility opens up new attack vectors through malicious microcode alterations. Such attacks share many features with hardware Trojans and have similar devastating consequences for system security. However, due to microcode's opaq... » read more

Usability of Authenticity Checks for Hardware Security Tokens
By Technical Paper Link - 08 Sep, 2021 - Comments: 0

Abstract:  "The final responsibility to verify whether a newly purchased hardware security token (HST) is authentic and unmodified lies with the end user. However, recently reported attacks on such tokens suggest that users cannot take the security guarantees of their HSTs for granted, even despite widely deployed authenticity checks. We present the first comprehensive market review eva... » read more

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