Details of VAR-202104-0168

ID

VAR-202104-0168

CVE

CVE-2020-27920

TITLE

plural Apple Product Use of Freed Memory Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-017297

DESCRIPTION

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution. plural Apple The product contains a usage of freed memory vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Apple macOS is a set of dedicated operating systems developed by Apple Corporation for Mac computers. There is a security vulnerability in Apple macOS. There is no information about this vulnerability at present. Please keep an eye on CNNVD or manufacturer announcements

Trust: 1.8

sources: NVD: CVE-2020-27920 // JVNDB: JVNDB-2020-017297 // VULHUB: VHN-372031 // VULMON: CVE-2020-27920

AFFECTED PRODUCTS

vendor:	apple	model:	mac os x	scope:	lt	version:	11.0.1	Trust: 1.0
vendor:	apple	model:	watchos	scope:	lt	version:	7.1	Trust: 1.0
vendor:	apple	model:	mac os x	scope:	lt	version:	11.1.0	Trust: 1.0
vendor:	apple	model:	iphone os	scope:	lt	version:	14.2	Trust: 1.0
vendor:	apple	model:	ipados	scope:	lt	version:	14.2	Trust: 1.0
vendor:	apple	model:	tvos	scope:	lt	version:	14.2	Trust: 1.0
vendor:	アップル	model:	tvos	scope:	-	version:	-	Trust: 0.8
vendor:	アップル	model:	watchos	scope:	-	version:	-	Trust: 0.8
vendor:	アップル	model:	apple mac os x	scope:	-	version:	-	Trust: 0.8
vendor:	アップル	model:	ipados	scope:	-	version:	-	Trust: 0.8
vendor:	アップル	model:	ios	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2020-017297 // NVD: CVE-2020-27920

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-27920
value:	HIGH
Trust: 1.0
NVD:	CVE-2020-27920
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202012-1077
value:	HIGH
Trust: 0.6
VULHUB:	VHN-372031
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2020-27920
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-27920
severity:	MEDIUM
baseScore:	6.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
VULHUB:	VHN-372031
severity:	MEDIUM
baseScore:	6.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2020-27920
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2020-27920
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-372031 // VULMON: CVE-2020-27920 // JVNDB: JVNDB-2020-017297 // CNNVD: CNNVD-202012-1077 // NVD: CVE-2020-27920

PROBLEMTYPE DATA

problemtype:	CWE-416	Trust: 1.1
problemtype:	Use of freed memory (CWE-416) [NVD evaluation ]	Trust: 0.8

sources: VULHUB: VHN-372031 // JVNDB: JVNDB-2020-017297 // NVD: CVE-2020-27920

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202012-1077

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202012-1077

PATCH

title:	HT211931 Apple Security update	url:	https://support.apple.com/en-us/HT211928	Trust: 0.8
title:	Apple macOS Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=137030	Trust: 0.6
title:	Apple: macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave	url:	https://vulmon.com/vendoradvisory?qidtp=apple_security_advisories&qid=60a51a6d3f600c46241622f208f75bff	Trust: 0.1

sources: VULMON: CVE-2020-27920 // JVNDB: JVNDB-2020-017297 // CNNVD: CNNVD-202012-1077

EXTERNAL IDS

db:	NVD	id:	CVE-2020-27920	Trust: 3.4
db:	JVN	id:	JVNVU95288122	Trust: 0.8
db:	JVN	id:	JVNVU99462952	Trust: 0.8
db:	JVNDB	id:	JVNDB-2020-017297	Trust: 0.8
db:	AUSCERT	id:	ESB-2020.4060.2	Trust: 0.6
db:	CNNVD	id:	CNNVD-202012-1077	Trust: 0.6
db:	VULHUB	id:	VHN-372031	Trust: 0.1
db:	VULMON	id:	CVE-2020-27920	Trust: 0.1

sources: VULHUB: VHN-372031 // VULMON: CVE-2020-27920 // JVNDB: JVNDB-2020-017297 // CNNVD: CNNVD-202012-1077 // NVD: CVE-2020-27920

REFERENCES

url:	https://support.apple.com/en-us/ht211928	Trust: 1.8
url:	https://support.apple.com/en-us/ht211929	Trust: 1.8
url:	https://support.apple.com/en-us/ht211930	Trust: 1.8
url:	https://support.apple.com/en-us/ht211931	Trust: 1.8
url:	https://support.apple.com/en-us/ht212011	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2020-27920	Trust: 1.4
url:	https://jvn.jp/vu/jvnvu99462952/	Trust: 0.8
url:	https://jvn.jp/vu/jvnvu95288122/	Trust: 0.8
url:	https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-34108	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2020.4060.2/	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/416.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://support.apple.com/kb/ht212011	Trust: 0.1

sources: VULHUB: VHN-372031 // VULMON: CVE-2020-27920 // JVNDB: JVNDB-2020-017297 // CNNVD: CNNVD-202012-1077 // NVD: CVE-2020-27920

SOURCES

db:	VULHUB	id:	VHN-372031
db:	VULMON	id:	CVE-2020-27920
db:	JVNDB	id:	JVNDB-2020-017297
db:	CNNVD	id:	CNNVD-202012-1077
db:	NVD	id:	CVE-2020-27920

LAST UPDATE DATE

2024-08-14T12:46:44.145000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-372031	date:	2023-01-09T00:00:00
db:	VULMON	id:	CVE-2020-27920	date:	2021-04-06T00:00:00
db:	JVNDB	id:	JVNDB-2020-017297	date:	2022-09-07T02:13:00
db:	CNNVD	id:	CNNVD-202012-1077	date:	2021-04-07T00:00:00
db:	NVD	id:	CVE-2020-27920	date:	2023-01-09T16:41:59.350

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-372031	date:	2021-04-02T00:00:00
db:	VULMON	id:	CVE-2020-27920	date:	2021-04-02T00:00:00
db:	JVNDB	id:	JVNDB-2020-017297	date:	2022-09-07T00:00:00
db:	CNNVD	id:	CNNVD-202012-1077	date:	2020-12-15T00:00:00
db:	NVD	id:	CVE-2020-27920	date:	2021-04-02T18:15:15.637