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ID

VAR-201901-1003


CVE

CVE-2018-4256


TITLE

macOS High Sierra Out-of-bounds reading vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2018-013595

DESCRIPTION

In macOS High Sierra before 10.13.5, an out-of-bounds read was addressed with improved input validation. Apple macOS High Sierra is a set of dedicated operating systems developed by Apple (Apple) for Mac computers. AMD is one of the AMD product components. A local attacker could exploit this vulnerability to read kernel memory

Trust: 1.71

sources: NVD: CVE-2018-4256 // JVNDB: JVNDB-2018-013595 // VULHUB: VHN-134287

AFFECTED PRODUCTS

vendor:applemodel:mac os xscope:ltversion:10.13.5

Trust: 1.0

vendor:applemodel:mac os xscope:eqversion:10.13.4

Trust: 0.8

vendor:applemodel:mac os xscope:eqversion:10.0.4

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.1

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.0.0

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.1.0

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.0.1

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion: -

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.1.1

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.0

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.0.3

Trust: 0.6

vendor:applemodel:mac os xscope:eqversion:10.0.2

Trust: 0.6

sources: JVNDB: JVNDB-2018-013595 // CNNVD: CNNVD-201901-410 // NVD: CVE-2018-4256

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-4256
value: MEDIUM

Trust: 1.0

NVD: CVE-2018-4256
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-201901-410
value: LOW

Trust: 0.6

VULHUB: VHN-134287
value: LOW

Trust: 0.1

nvd@nist.gov: CVE-2018-4256
severity: LOW
baseScore: 2.1
vectorString: AV:L/AC:L/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-134287
severity: LOW
baseScore: 2.1
vectorString: AV:L/AC:L/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2018-4256
baseSeverity: MEDIUM
baseScore: 5.5
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 1.8
impactScore: 3.6
version: 3.0

Trust: 1.8

sources: VULHUB: VHN-134287 // JVNDB: JVNDB-2018-013595 // CNNVD: CNNVD-201901-410 // NVD: CVE-2018-4256

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.9

sources: VULHUB: VHN-134287 // JVNDB: JVNDB-2018-013595 // NVD: CVE-2018-4256

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-201901-410

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201901-410

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-013595

PATCH
title:HT208849url:https://support.apple.com/en-us/HT208849
Trust: 0.8
title:HT208849url:https://support.apple.com/ja-jp/HT208849
Trust: 0.8
title:Apple macOS High Sierra AMD Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=88574
Trust: 0.6
sources:
            
            
            JVNDB: JVNDB-2018-013595 // 
            
            
            
            CNNVD: CNNVD-201901-410

EXTERNAL IDS
db:NVDid:CVE-2018-4256
Trust: 2.5
db:JVNid:JVNVU98864649
Trust: 0.8
db:JVNDBid:JVNDB-2018-013595
Trust: 0.8
db:CNNVDid:CNNVD-201901-410
Trust: 0.7
db:VULHUBid:VHN-134287
Trust: 0.1
sources:
            
            
            VULHUB: VHN-134287 // 
            
            
            
            JVNDB: JVNDB-2018-013595 // 
            
            
            
            CNNVD: CNNVD-201901-410 // 
            
            
            
            NVD: CVE-2018-4256

REFERENCES
url:https://support.apple.com/ht208849
Trust: 1.7
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-4256
Trust: 0.8
url:https://jvn.jp/vu/jvnvu98864649/index.html
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2018-4256
Trust: 0.8
sources:
            
            
            VULHUB: VHN-134287 // 
            
            
            
            JVNDB: JVNDB-2018-013595 // 
            
            
            
            CNNVD: CNNVD-201901-410 // 
            
            
            
            NVD: CVE-2018-4256

SOURCES
db:VULHUBid:VHN-134287
db:JVNDBid:JVNDB-2018-013595
db:CNNVDid:CNNVD-201901-410
db:NVDid:CVE-2018-4256

LAST UPDATE DATE
2024-11-23T19:35:39.685000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-134287date:2019-01-16T00:00:00
db:JVNDBid:JVNDB-2018-013595date:2019-02-25T00:00:00
db:CNNVDid:CNNVD-201901-410date:2019-01-14T00:00:00
db:NVDid:CVE-2018-4256date:2024-11-21T04:07:04

SOURCES RELEASE DATE
db:VULHUBid:VHN-134287date:2019-01-11T00:00:00
db:JVNDBid:JVNDB-2018-013595date:2019-02-25T00:00:00
db:CNNVDid:CNNVD-201901-410date:2019-01-14T00:00:00
db:NVDid:CVE-2018-4256date:2019-01-11T18:29:02.610