Details of VAR-202109-1956

ID

VAR-202109-1956

CVE

CVE-2021-22478

TITLE

HarmonyOS Module Use of Freed Memory Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-018624

DESCRIPTION

The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of this vulnerability may lead to information leakage. HarmonyOS The module contains a usage of freed memory vulnerability.Information may be obtained

Trust: 1.71

sources: NVD: CVE-2021-22478 // JVNDB: JVNDB-2021-018624 // VULHUB: VHN-380913

AFFECTED PRODUCTS

vendor:	huawei	model:	harmonyos	scope:	lt	version:	2.0	Trust: 1.0
vendor:	huawei	model:	harmonyos	scope:	-	version:	-	Trust: 0.8
vendor:	huawei	model:	harmonyos	scope:	eq	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-018624 // NVD: CVE-2021-22478

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-22478
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2021-22478
value:	MEDIUM
Trust: 0.8
CNNVD:	CNNVD-202109-2065
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-380913
value:	LOW
Trust: 0.1

nvd@nist.gov:	CVE-2021-22478
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-380913
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-2021-22478
baseSeverity:	MEDIUM
baseScore:	5.5
vectorString:	CVSS:3.1/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:	3.1
Trust: 1.0
NVD:	CVE-2021-22478
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:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-380913 // JVNDB: JVNDB-2021-018624 // CNNVD: CNNVD-202109-2065 // NVD: CVE-2021-22478

PROBLEMTYPE DATA

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

sources: VULHUB: VHN-380913 // JVNDB: JVNDB-2021-018624 // NVD: CVE-2021-22478

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202109-2065

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202109-2065

PATCH

title:	security-bulletins-202109-0000001196270727	url:	https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727	Trust: 0.8
title:	Huawei HarmonyOS Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=171978	Trust: 0.6

sources: JVNDB: JVNDB-2021-018624 // CNNVD: CNNVD-202109-2065

EXTERNAL IDS

db:	NVD	id:	CVE-2021-22478	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-018624	Trust: 0.8
db:	CNNVD	id:	CNNVD-202109-2065	Trust: 0.6
db:	VULHUB	id:	VHN-380913	Trust: 0.1

sources: VULHUB: VHN-380913 // JVNDB: JVNDB-2021-018624 // CNNVD: CNNVD-202109-2065 // NVD: CVE-2021-22478

REFERENCES

url:	https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-22478	Trust: 0.8
url:	https://cxsecurity.com/cveshow/cve-2021-22478/	Trust: 0.6
url:	https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202109-0000001196270727	Trust: 0.6

sources: VULHUB: VHN-380913 // JVNDB: JVNDB-2021-018624 // CNNVD: CNNVD-202109-2065 // NVD: CVE-2021-22478

SOURCES

db:	VULHUB	id:	VHN-380913
db:	JVNDB	id:	JVNDB-2021-018624
db:	CNNVD	id:	CNNVD-202109-2065
db:	NVD	id:	CVE-2021-22478

LAST UPDATE DATE

2024-08-14T14:11:14.241000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-380913	date:	2022-03-07T00:00:00
db:	JVNDB	id:	JVNDB-2021-018624	date:	2023-07-04T01:56:00
db:	CNNVD	id:	CNNVD-202109-2065	date:	2022-03-11T00:00:00
db:	NVD	id:	CVE-2021-22478	date:	2022-03-07T19:05:26.517

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-380913	date:	2022-02-25T00:00:00
db:	JVNDB	id:	JVNDB-2021-018624	date:	2023-07-04T00:00:00
db:	CNNVD	id:	CNNVD-202109-2065	date:	2021-09-05T00:00:00
db:	NVD	id:	CVE-2021-22478	date:	2022-02-25T19:15:10.910