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ID

VAR-201803-1907


CVE

CVE-2018-8933


TITLE

AMD EPYC Server Access control vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2018-003356

DESCRIPTION

The AMD EPYC Server processor chips have insufficient access control for protected memory regions, aka FALLOUT-1, FALLOUT-2, and FALLOUT-3. AMD EPYC Server Contains an access control vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. AMD EPYC Server is a server central processing unit (CPU) data processing chip of American AMD company. An attacker could exploit this vulnerability to write or read memory and disable system management mode protection

Trust: 1.71

sources: NVD: CVE-2018-8933 // JVNDB: JVNDB-2018-003356 // VULHUB: VHN-138965

AFFECTED PRODUCTS

vendor:amdmodel:epyc serverscope:eqversion: -

Trust: 1.6

vendor:advanced micro devices amdmodel:epyc serverscope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2018-003356 // CNNVD: CNNVD-201803-799 // NVD: CVE-2018-8933

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-8933
value: CRITICAL

Trust: 1.0

NVD: CVE-2018-8933
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-201803-799
value: CRITICAL

Trust: 0.6

VULHUB: VHN-138965
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2018-8933
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-138965
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-2018-8933
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-138965 // JVNDB: JVNDB-2018-003356 // CNNVD: CNNVD-201803-799 // NVD: CVE-2018-8933

PROBLEMTYPE DATA

problemtype:CWE-732

Trust: 1.1

problemtype:CWE-284

Trust: 0.9

sources: VULHUB: VHN-138965 // JVNDB: JVNDB-2018-003356 // NVD: CVE-2018-8933

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201803-799

TYPE

lack of information

Trust: 0.6

sources: CNNVD: CNNVD-201803-799

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-003356

PATCH
title:Initial AMD Technical Assessment of CTS Labs Researchurl: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-2018-003356

EXTERNAL IDS
db:NVDid:CVE-2018-8933
Trust: 2.5
db:JVNDBid:JVNDB-2018-003356
Trust: 0.8
db:CNNVDid:CNNVD-201803-799
Trust: 0.6
db:VULHUBid:VHN-138965
Trust: 0.1
sources:
            
            
            VULHUB: VHN-138965 // 
            
            
            
            JVNDB: JVNDB-2018-003356 // 
            
            
            
            CNNVD: CNNVD-201803-799 // 
            
            
            
            NVD: CVE-2018-8933

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://support.hpe.com/hpsc/doc/public/display?doclocale=en_us&docid=emr_na-hpesbhf03841en_us
Trust: 1.6
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-8933
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2018-8933
Trust: 0.8
url:https://support.hpe.com/hpsc/doc/public/display?doclocale=en_us&docid=emr_na-hpesbhf03841en_us
Trust: 0.1
sources:
            
            
            VULHUB: VHN-138965 // 
            
            
            
            JVNDB: JVNDB-2018-003356 // 
            
            
            
            CNNVD: CNNVD-201803-799 // 
            
            
            
            NVD: CVE-2018-8933

SOURCES
db:VULHUBid:VHN-138965
db:JVNDBid:JVNDB-2018-003356
db:CNNVDid:CNNVD-201803-799
db:NVDid:CVE-2018-8933

LAST UPDATE DATE
2024-11-23T22:17:37.052000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-138965date:2019-10-03T00:00:00
db:JVNDBid:JVNDB-2018-003356date:2018-05-22T00:00:00
db:CNNVDid:CNNVD-201803-799date:2019-10-23T00:00:00
db:NVDid:CVE-2018-8933date:2024-11-21T04:14:38.087

SOURCES RELEASE DATE
db:VULHUBid:VHN-138965date:2018-03-22T00:00:00
db:JVNDBid:JVNDB-2018-003356date:2018-05-22T00:00:00
db:CNNVDid:CNNVD-201803-799date:2018-03-23T00:00:00
db:NVDid:CVE-2018-8933date:2018-03-22T14:29:00.800