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David Oswald

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DisARMed: Attacking ARM TrustZone from Userspace with Memory Aliasing20th USENIX WOOT Conference on Offensive Technologies (WOOT '26)2026-08-10
Shows a practical exploit that uses memory aliasing from userspace and huge-page spraying to find aliased physical DRAM, modify page tables from an…
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PMFault: Voltage Fault Injection on Server Platforms Through the PMBusBlack Hat Asia 20232023-05-09
Demonstrates a remote voltage-fault chain against Supermicro X11 servers by controlling the PMBus (found at address 0x20) via BMC paths: initial proof uses…
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Breaking Bootloaders on the CheapBlack Hat Europe 20192019-12-02
Reverse‑engineers target NXP LPC1343, ST STM32F4 and ST STM8 bootloaders and find a LPC1343 vulnerability: the bootloader’s Write to RAM command lacks…
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Lock It and Still Lose It —on the (In)Security of Automotive Remote KeylessUSENIX Security '162016-08-10
Finds global failures in remote keyless entry: VW schemes (VW1–VW4) use global master key or poor diversification discovered by extracting ECU firmware and…
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