The latest security information on Intel® products.
Firmware Authentication Bypass
| Intel ID: |
INTEL-SA-00152 |
|---|---|
| Product family: |
4th Gen Intel® Core™ Processor, 5th Gen Intel® Core™ Processor, 6th Gen Intel® Core™ Processor, and 7th Gen Intel® Core™ Processor |
| Impact of vulnerability: |
Escalation of Privilege |
| Severity rating: |
Important |
| Original release: |
07/10/2018 |
| Last revised: |
07/10/2018 |
Summary:
Potential security vulnerability allowing bypass of firmware authentication and incorrect TPM measurement of system firmware.
Description:
Platform sample code firmware included with 4th Gen Intel® Core™ Processor (Haswell), 5th Gen Intel® Core™ Processor (Broadwell), 6th Gen Intel® Core™ Processor (Skylake), and 7th Gen Intel® Core™ Processor (Kaby Lake) contains a logic error potentially allowing a physical attacker to bypass firmware authentication.
• High - 7.6 CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Logic error in platform sample code firmware included with 4th Gen Intel® Core™ Processor (Haswell), 5th Gen Intel® Core™ Processor (Broadwell), 6th Gen Intel® Core™ Processor (Skylake), and 7th Gen Intel® Core™ Processor (Kaby Lake) potentially allows a physical attacker to exploit incorrect TPM measurement of system firmware.
• Medium 6.8 - CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products:
• 4th Gen Intel® Core™ Processor
• 5th Gen Intel® Core™ Processor
• 6th Gen Intel® Core™ Processor
• 7th Gen Intel® Core™ Processor
Recommendations:
Intel released updated firmware to address this issue and recommends that end-users contact their system manufacturers for updated system firmware.
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