CVE-2018-12205

Publication date 14 March 2019

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Improper certificate validation in Platform Sample/ Silicon Reference firmware for 8th Generation Intel(R) Core(tm) Processor, 7th Generation Intel(R) Core(tm) Processor may allow an unauthenticated user to potentially enable an escalation of privilege via physical access.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
intel-microcode	19.04 disco	Not affected
	18.10 cosmic	Fixed 3.20190514.0ubuntu0.18.10.1
	18.04 LTS bionic	Fixed 3.20190514.0ubuntu0.18.04.2
	16.04 LTS xenial	Fixed 3.20190514.0ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 3.20190514.0ubuntu0.14.04.1

Notes

sbeattie

it is unclear whether this issue is addressed in cpu microcode or in other firmware, but if it is in cpu microcode, subsequent updates have addressed the issue.

Severity score breakdown

Parameter	Value
Base score	6.8 · Medium
Attack vector	Physical
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H