SB2023080879 - fTPM voltage fault injection attack in AMD processors



SB2023080879 - fTPM voltage fault injection attack in AMD processors

Published: August 8, 2023

Security Bulletin ID SB2023080879
Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security features bypass (CVE-ID: CVE-2023-20589)

The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to the way ASP secure boot is implemented. An attacker with physical access to device can use specialized hardware to perform a voltage fault injection attack, compromise the ASP secure boot and execute arbitrary code on the system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.