SAM E70/S70/V70/V71: Difference between revisions
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This series of chips can be voltage glitched upon power-up | This series of chips can be voltage glitched upon power-up where a couple of large current fluctuations are seen on the VDDCORE power rail. | ||
[[File:Atmel SAM E70 Power-On Trace.png|thumb|SAM E70 Startup (Power-On) trace]] | [[File:Atmel SAM E70 Power-On Trace.png|thumb|SAM E70 Startup (Power-On) trace]] | ||
Scope image shows blue 3.3V power trace going high as power is applied to the processor. The red VDDCORE (1.2V) trace shows two distinct fluctuations. | |||
Details are provided in a write-up by [https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/ 0x01 Team] and received a [https://www.cve.org/cverecord?id=CVE-2024-4760 CVE]. | Details are provided in a write-up by [https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/ 0x01 Team] and received a [https://www.cve.org/cverecord?id=CVE-2024-4760 CVE]. | ||
Latest revision as of 11:40, 1 April 2025
This series of chips can be voltage glitched upon power-up where a couple of large current fluctuations are seen on the VDDCORE power rail.
Scope image shows blue 3.3V power trace going high as power is applied to the processor. The red VDDCORE (1.2V) trace shows two distinct fluctuations.
Details are provided in a write-up by 0x01 Team and received a CVE.