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ID

VAR-202109-0324


CVE

CVE-2021-1861


TITLE

macOS  Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-013583

DESCRIPTION

An issue existed in determining cache occupancy. The issue was addressed through improved logic. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to track users by setting state in a cache. macOS Exists in unspecified vulnerabilities.Information may be obtained. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. Apple macOS is a set of dedicated operating systems developed by Apple Corporation for Mac computers. A security vulnerability exists in macOS that stems from the way Safari on macOS handles cache hogging. The following products and versions are affected: macOS: 11.0 20A2411, 11.0.1 20B29, 11.0.1 20B50, 11.1 20C69, 11.2 20D64, 11.2.1 20D74, 11.2.1 20D75, 11.2.2 20D80, 11.2.3 2

Trust: 2.25

sources: NVD: CVE-2021-1861 // JVNDB: JVNDB-2021-013583 // CNNVD: CNNVD-202104-975 // VULHUB: VHN-376521

AFFECTED PRODUCTS

vendor:applemodel:macosscope:gteversion:11.0

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vendor:applemodel:macosscope:ltversion:11.3

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vendor:アップルmodel:macosscope:eqversion:11.0 that's all 11.3

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vendor:アップルmodel:macosscope:eqversion: -

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vendor:アップルmodel:macosscope: - version: -

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sources: JVNDB: JVNDB-2021-013583 // NVD: CVE-2021-1861

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-1861
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-1861
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202104-1963
value: MEDIUM

Trust: 0.6

VULHUB: VHN-376521
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-1861
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 8.6
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-376521
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 8.6
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-1861
baseSeverity: MEDIUM
baseScore: 4.3
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 1.4
version: 3.1

Trust: 1.0

NVD: CVE-2021-1861
baseSeverity: MEDIUM
baseScore: 4.3
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-376521 // JVNDB: JVNDB-2021-013583 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1963 // NVD: CVE-2021-1861

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

problemtype:Lack of information (CWE-noinfo) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-013583 // NVD: CVE-2021-1861

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-1963

TYPE

other

Trust: 1.2

sources: CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1963

PATCH

title:HT212325 Apple  Security updateurl:https://support.apple.com/en-us/HT212325

Trust: 0.8

title:macOS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=148640

Trust: 0.6

title:Apple: macOS Big Sur 11.3url:https://vulmon.com/vendoradvisory?qidtp=apple_security_advisories&qid=c631c09ebe15d0799205eda727cdfeb3

Trust: 0.1

sources: VULMON: CVE-2021-1861 // JVNDB: JVNDB-2021-013583 // CNNVD: CNNVD-202104-1963

EXTERNAL IDS

db:NVDid:CVE-2021-1861

Trust: 3.4

db:JVNDBid:JVNDB-2021-013583

Trust: 0.8

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

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db:CS-HELPid:SB2021042704

Trust: 0.6

db:AUSCERTid:ESB-2021.1409.2

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db:CNNVDid:CNNVD-202104-1963

Trust: 0.6

db:VULHUBid:VHN-376521

Trust: 0.1

db:VULMONid:CVE-2021-1861

Trust: 0.1

sources: VULHUB: VHN-376521 // VULMON: CVE-2021-1861 // JVNDB: JVNDB-2021-013583 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1963 // NVD: CVE-2021-1861

REFERENCES

url:https://support.apple.com/en-us/ht212325

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-1861

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url:https://www.cybersecurity-help.cz/vdb/sb2021041363

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.1409.2

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url:https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-35171

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url:https://www.cybersecurity-help.cz/vdb/sb2021042704

Trust: 0.6

url:https://support.apple.com/kb/ht212325

Trust: 0.1

sources: VULHUB: VHN-376521 // VULMON: CVE-2021-1861 // JVNDB: JVNDB-2021-013583 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1963 // NVD: CVE-2021-1861

SOURCES

db:VULHUBid:VHN-376521
db:VULMONid:CVE-2021-1861
db:JVNDBid:JVNDB-2021-013583
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202104-1963
db:NVDid:CVE-2021-1861

LAST UPDATE DATE

2024-08-14T13:09:52.436000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-376521date:2022-07-12T00:00:00
db:JVNDBid:JVNDB-2021-013583date:2022-09-16T05:40:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202104-1963date:2022-07-14T00:00:00
db:NVDid:CVE-2021-1861date:2022-07-12T17:42:04.277

SOURCES RELEASE DATE

db:VULHUBid:VHN-376521date:2021-09-08T00:00:00
db:JVNDBid:JVNDB-2021-013583date:2022-09-16T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202104-1963date:2021-04-27T00:00:00
db:NVDid:CVE-2021-1861date:2021-09-08T15:15:11.663