Details of VAR-201803-1908

ID

VAR-201803-1908

CVE

CVE-2018-8934

TITLE

AMD Ryzen and Ryzen Pro Vulnerabilities related to authorization, authority, and access control in the platform

Trust: 0.8

sources: JVNDB: JVNDB-2018-003357

DESCRIPTION

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW. AMD Ryzen and Ryzen Pro The platform contains vulnerabilities related to authorization, permissions, and access control.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. AMD Ryzen and Ryzen Pro are both central processing unit (CPU) products of AMD in the United States. Promontory chipset is one of these chipsets. An attacker could exploit this vulnerability to execute code

Trust: 1.71

sources: NVD: CVE-2018-8934 // JVNDB: JVNDB-2018-003357 // VULHUB: VHN-138966

AFFECTED PRODUCTS

vendor:	amd	model:	ryzen pro	scope:	eq	version:	-	Trust: 1.6
vendor:	amd	model:	ryzen	scope:	eq	version:	-	Trust: 1.6
vendor:	advanced micro devices amd	model:	ryzen pro	scope:	-	version:	-	Trust: 0.8
vendor:	advanced micro devices amd	model:	ryzen	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2018-003357 // CNNVD: CNNVD-201803-798 // NVD: CVE-2018-8934

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-8934
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2018-8934
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-201803-798
value:	CRITICAL
Trust: 0.6
VULHUB:	VHN-138966
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2018-8934
severity:	HIGH
baseScore:	9.3
vectorString:	AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.6
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
VULHUB:	VHN-138966
severity:	HIGH
baseScore:	9.3
vectorString:	AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.6
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2018-8934
baseSeverity:	CRITICAL
baseScore:	9.0
vectorString:	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.2
impactScore:	6.0
version:	3.0
Trust: 1.8

sources: VULHUB: VHN-138966 // JVNDB: JVNDB-2018-003357 // CNNVD: CNNVD-201803-798 // NVD: CVE-2018-8934

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	CWE-264	Trust: 0.9

sources: VULHUB: VHN-138966 // JVNDB: JVNDB-2018-003357 // NVD: CVE-2018-8934

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201803-798

TYPE

permissions and access control issues

Trust: 0.6

sources: CNNVD: CNNVD-201803-798

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-003357

PATCH

title:

Initial AMD Technical Assessment of CTS Labs Research

url:

https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research

Trust: 0.8

sources: JVNDB: JVNDB-2018-003357

EXTERNAL IDS

db:	NVD	id:	CVE-2018-8934	Trust: 2.5
db:	JVNDB	id:	JVNDB-2018-003357	Trust: 0.8
db:	CNNVD	id:	CNNVD-201803-798	Trust: 0.6
db:	VULHUB	id:	VHN-138966	Trust: 0.1

sources: VULHUB: VHN-138966 // JVNDB: JVNDB-2018-003357 // CNNVD: CNNVD-201803-798 // NVD: CVE-2018-8934

REFERENCES

url:	https://amdflaws.com/	Trust: 1.7
url:	https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/	Trust: 1.7
url:	https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research	Trust: 1.7
url:	https://safefirmware.com/amdflaws_whitepaper.pdf	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-8934	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-8934	Trust: 0.8

sources: VULHUB: VHN-138966 // JVNDB: JVNDB-2018-003357 // CNNVD: CNNVD-201803-798 // NVD: CVE-2018-8934

SOURCES

db:	VULHUB	id:	VHN-138966
db:	JVNDB	id:	JVNDB-2018-003357
db:	CNNVD	id:	CNNVD-201803-798
db:	NVD	id:	CVE-2018-8934

LAST UPDATE DATE

2024-11-23T22:52:11.121000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-138966	date:	2019-10-03T00:00:00
db:	JVNDB	id:	JVNDB-2018-003357	date:	2018-05-22T00:00:00
db:	CNNVD	id:	CNNVD-201803-798	date:	2019-10-23T00:00:00
db:	NVD	id:	CVE-2018-8934	date:	2024-11-21T04:14:38.230

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-138966	date:	2018-03-22T00:00:00
db:	JVNDB	id:	JVNDB-2018-003357	date:	2018-05-22T00:00:00
db:	CNNVD	id:	CNNVD-201803-798	date:	2018-03-23T00:00:00
db:	NVD	id:	CVE-2018-8934	date:	2018-03-22T14:29:00.863