CVE-2021-30865

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS v3 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212805
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212805

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:mac_os_x::::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:-::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update::::::
	cpe:2.3:o:apple:macos::::::::

History

21 Nov 2024, 06:04

Type	Values Removed	Values Added
References	~~() https://support.apple.com/en-us/HT212804 -~~	() https://support.apple.com/en-us/HT212804 -
References	~~() https://support.apple.com/en-us/HT212805 -~~	() https://support.apple.com/en-us/HT212805 -

07 Nov 2023, 03:33

Type	Values Removed	Values Added
References	~~(MISC) https://support.apple.com/en-us/HT212805 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212805 -
References	~~(MISC) https://support.apple.com/en-us/HT212804 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212804 -

Information

Published : 2021-08-24 19:15

Updated : 2024-11-21 06:04

NVD link : CVE-2021-30865

Mitre link : CVE-2021-30865

CVE.ORG link : CVE-2021-30865

JSON object : View

Products Affected

apple

macos
mac_os_x

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2021-30865", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-08-24T19:15:14.853", "references": [{"url": "https://support.apple.com/en-us/HT212804", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212805", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212804", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.apple.com/en-us/HT212805", "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": "An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges."}, {"lang": "es", "value": "Se abord\u00f3 una lectura fuera de l\u00edmites con una comprobaci\u00f3n de entradas mejorada. Este problema se corrigi\u00f3 en macOS Big Sur versi\u00f3n 11.6, Security Update 2021-005 Catalina. Una aplicaci\u00f3n maliciosa puede ser capaz de ejecutar c\u00f3digo arbitrario con privilegios del kernel"}], "lastModified": "2024-11-21T06:04:52.220", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EF8C1CB5-DACB-449C-9E07-E477142C589F", "versionEndExcluding": "10.15.7"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A654B8A2-FC30-4171-B0BB-366CD7ED4B6A"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F1F4BF7F-90D4-4668-B4E6-B06F4070F448"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0F441A43-1669-478D-9EC8-E96882DE4F9F"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D425C653-37A2-448C-BF2F-B684ADB08A26"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A54D63B7-B92B-47C3-B1C5-9892E5873A98"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3456176F-9185-4EE2-A8CE-3D989D674AB7"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C416CDE-C6B5-4F68-8095-A4657F64C370", "versionEndExcluding": "11.6", "versionStartIncluding": "11.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}