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ID

VAR-202109-0365


CVE

CVE-2021-1855


TITLE

Pillow Buffer error vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

DESCRIPTION

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon. 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 Safari is a web browser of Apple (Apple), the default browser included with Mac OS X and iOS operating systems. Safari has a resource management error vulnerability that stems from improper internal resource management in Safari on macOS. 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: 1.53

sources: NVD: CVE-2021-1855 // CNNVD: CNNVD-202104-975 // VULHUB: VHN-376515

AFFECTED PRODUCTS

vendor:applemodel:macosscope:gteversion:11.0

Trust: 1.0

vendor:applemodel:macosscope:ltversion:11.3

Trust: 1.0

sources: NVD: CVE-2021-1855

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-1855
value: MEDIUM

Trust: 1.0

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202104-1972
value: MEDIUM

Trust: 0.6

VULHUB: VHN-376515
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-1855
severity: MEDIUM
baseScore: 6.4
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

VULHUB: VHN-376515
severity: MEDIUM
baseScore: 6.4
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-1855
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.5
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-376515 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1972 // NVD: CVE-2021-1855

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

sources: NVD: CVE-2021-1855

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-1972

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:Apple Safari Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=148649

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-2021-1855 // CNNVD: CNNVD-202104-1972

EXTERNAL IDS

db:NVDid:CVE-2021-1855

Trust: 1.8

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

Trust: 0.6

db:AUSCERTid:ESB-2021.1409.2

Trust: 0.6

db:CS-HELPid:SB2021042704

Trust: 0.6

db:CNNVDid:CNNVD-202104-1972

Trust: 0.6

db:VULHUBid:VHN-376515

Trust: 0.1

db:VULMONid:CVE-2021-1855

Trust: 0.1

sources: VULHUB: VHN-376515 // VULMON: CVE-2021-1855 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1972 // NVD: CVE-2021-1855

REFERENCES

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

Trust: 1.7

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

Trust: 0.6

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

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-1855

Trust: 0.6

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

Trust: 0.6

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

Trust: 0.6

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

Trust: 0.1

sources: VULHUB: VHN-376515 // VULMON: CVE-2021-1855 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1972 // NVD: CVE-2021-1855

SOURCES

db:VULHUBid:VHN-376515
db:VULMONid:CVE-2021-1855
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202104-1972
db:NVDid:CVE-2021-1855

LAST UPDATE DATE

2024-08-14T12:29:33.029000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-376515date:2021-09-23T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202104-1972date:2021-09-24T00:00:00
db:NVDid:CVE-2021-1855date:2021-09-23T20:35:13.760

SOURCES RELEASE DATE

db:VULHUBid:VHN-376515date:2021-09-08T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202104-1972date:2021-04-27T00:00:00
db:NVDid:CVE-2021-1855date:2021-09-08T15:15:11.403