Hardware Fault Injection in Microchip SAMA5D4

Executive Summary

This vulnerability involves improper protection against voltage and clock glitches in Microchip SAMA5D4 hardware. It allows hardware fault injection, which could enable an attacker to manipulate the device's operation by altering voltage or timing signals.

Useful 0 Not Useful 0

Detection Guidance

Detection of hardware fault injection vulnerabilities like CVE-2026-18349 typically requires specialized hardware and expertise. There are no standard software commands to detect this issue directly. Monitoring for unusual voltage fluctuations or clock anomalies may require oscilloscopes or logic analyzers. Consult hardware security guidelines for Microchip SAMA5D4 devices.

Useful 0 Not Useful 0

Impact Analysis

An attacker could exploit this to cause incorrect behavior in the SAMA5D4 device, potentially leading to unauthorized access, data corruption, or system crashes. Since the device is used in embedded systems, this could affect critical operations in industrial, automotive, or IoT applications.

Useful 0 Not Useful 0

Compliance Impact

This vulnerability involves improper protection against voltage and clock glitches, enabling hardware fault injection. Such attacks could compromise the integrity and confidentiality of data processed by affected devices, potentially leading to unauthorized access or data breaches. This may impact compliance with standards like GDPR and HIPAA, which require robust security measures to protect sensitive data.

Useful 0 Not Useful 0

Mitigation Strategies

Implement hardware-level protections against voltage and clock glitches such as voltage monitoring and clock signal validation. Ensure secure boot and firmware integrity checks are enabled.

Useful 0 Not Useful 0