CVE-2021-46839

The HW_KEYMASTER module has a vulnerability of missing bounds check on length.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://consumer.huawei.com/en/support/bulletin/2022/10/	Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697	Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2022/10/	Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:huawei:emui:11.0.1:::::::*
	cpe:2.3:o:huawei:emui:12.0.0:::::::*
	cpe:2.3:o:huawei:harmonyos:2.0:::::::*

History

21 Nov 2024, 06:34

Type	Values Removed	Values Added
References	~~() https://consumer.huawei.com/en/support/bulletin/2022/10/ - Vendor Advisory~~	() https://consumer.huawei.com/en/support/bulletin/2022/10/ - Vendor Advisory
References	~~() https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697 - Vendor Advisory~~	() https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697 - Vendor Advisory

Information

Published : 2022-10-14 16:15

Updated : 2024-11-21 06:34

NVD link : CVE-2021-46839

Mitre link : CVE-2021-46839

CVE.ORG link : CVE-2021-46839

JSON object : View

Products Affected

huawei

emui
harmonyos

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2021-46839", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2022-10-14T16:15:11.920", "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2022/10/", "tags": ["Vendor Advisory"], "source": "psirt@huawei.com"}, {"url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697", "tags": ["Vendor Advisory"], "source": "psirt@huawei.com"}, {"url": "https://consumer.huawei.com/en/support/bulletin/2022/10/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "The HW_KEYMASTER module has a vulnerability of missing bounds check on length.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access."}, {"lang": "es", "value": "El m\u00f3dulo HW_KEYMASTER presenta una vulnerabilidad de falta de comprobaci\u00f3n de l\u00edmites en la longitud. Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad puede causar la construcci\u00f3n maliciosa de datos, lo que resulta en un acceso fuera de l\u00edmites"}], "lastModified": "2024-11-21T06:34:47.610", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "511F8CE2-C2B6-4A08-B992-49D9B75B8655"}, {"criteria": "cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A974CA73-84E8-480B-BB4C-4A81D0C985B2"}, {"criteria": "cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3AD62E8B-CB4B-43A6-98E8-09A8A1A3505B"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@huawei.com"}