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ID

VAR-202104-0644


CVE

CVE-2021-1779


TITLE

Apple macOS Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202102-085

DESCRIPTION

A logic error in kext loading was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. An application may be able to execute arbitrary code with system privileges. Apple macOS could allow a local malicious user to gain elevated privileges on the system, caused by a logic issue in kext loading within the IOKit component

Trust: 1.08

sources: NVD: CVE-2021-1779 // VULHUB: VHN-376439 // VULMON: CVE-2021-1779

AFFECTED PRODUCTS

vendor:applemodel:mac os xscope:gteversion:10.15

Trust: 1.0

vendor:applemodel:mac os xscope:eqversion:10.15.7

Trust: 1.0

vendor:applemodel:mac os xscope:eqversion:10.14.6

Trust: 1.0

vendor:applemodel:macosscope:gteversion:11.0

Trust: 1.0

vendor:applemodel:macosscope:ltversion:11.2

Trust: 1.0

vendor:applemodel:mac os xscope:ltversion:10.15.7

Trust: 1.0

vendor:applemodel:mac os xscope:ltversion:10.14.6

Trust: 1.0

vendor:applemodel:mac os xscope:gteversion:10.14

Trust: 1.0

sources: NVD: CVE-2021-1779

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-1779
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202102-085
value: HIGH

Trust: 0.6

VULHUB: VHN-376439
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-1779
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: 1.0

VULHUB: VHN-376439
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-2021-1779
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-376439 // CNNVD: CNNVD-202102-085 // NVD: CVE-2021-1779

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

sources: NVD: CVE-2021-1779

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202102-085

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202102-085

PATCH

title:Apple macOS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=140297

Trust: 0.6

sources: CNNVD: CNNVD-202102-085

EXTERNAL IDS

db:NVDid:CVE-2021-1779

Trust: 1.8

db:AUSCERTid:ESB-2021.0349

Trust: 0.6

db:CNNVDid:CNNVD-202102-085

Trust: 0.6

db:VULHUBid:VHN-376439

Trust: 0.1

db:VULMONid:CVE-2021-1779

Trust: 0.1

sources: VULHUB: VHN-376439 // VULMON: CVE-2021-1779 // CNNVD: CNNVD-202102-085 // NVD: CVE-2021-1779

REFERENCES

url:https://support.apple.com/en-us/ht212147

Trust: 1.7

url:https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-34452

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-1779

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.0349/

Trust: 0.6

url:https://exchange.xforce.ibmcloud.com/vulnerabilities/195901

Trust: 0.1

sources: VULHUB: VHN-376439 // VULMON: CVE-2021-1779 // CNNVD: CNNVD-202102-085 // NVD: CVE-2021-1779

SOURCES

db:VULHUBid:VHN-376439
db:VULMONid:CVE-2021-1779
db:CNNVDid:CNNVD-202102-085
db:NVDid:CVE-2021-1779

LAST UPDATE DATE

2024-11-23T20:14:11.962000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-376439date:2021-04-09T00:00:00
db:VULMONid:CVE-2021-1779date:2021-04-09T00:00:00
db:CNNVDid:CNNVD-202102-085date:2021-04-12T00:00:00
db:NVDid:CVE-2021-1779date:2024-11-21T05:45:05.733

SOURCES RELEASE DATE

db:VULHUBid:VHN-376439date:2021-04-02T00:00:00
db:VULMONid:CVE-2021-1779date:2021-04-02T00:00:00
db:CNNVDid:CNNVD-202102-085date:2021-02-02T00:00:00
db:NVDid:CVE-2021-1779date:2021-04-02T18:15:21.187