CVE-2021-30902

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.apple.com/en-us/HT212867
https://support.apple.com/en-us/HT212868

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipad_os::::::::
	cpe:2.3:o:apple:ipados:15.0:::::::*
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:iphone_os:15.0:::::::*

History

07 Nov 2023, 03:33

Type	Values Removed	Values Added
References	~~(MISC) https://support.apple.com/en-us/HT212867 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212867 -
References	~~(MISC) https://support.apple.com/en-us/HT212868 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212868 -

Information

Published : 2021-08-24 19:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-30902

Mitre link : CVE-2021-30902

CVE.ORG link : CVE-2021-30902

JSON object : View

Products Affected

apple

ipad_os
iphone_os
ipados

CWE

CWE-416

Use After Free

{"id": "CVE-2021-30902", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-08-24T19:15:18.403", "references": [{"url": "https://support.apple.com/en-us/HT212867", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212868", "source": "product-security@apple.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution."}, {"lang": "es", "value": "Se abord\u00f3 un problema de uso de memoria previamente liberada con una administraci\u00f3n de memoria mejorada. Este problema se corrigi\u00f3 en iOS versi\u00f3n 14.8.1 y iPadOS versi\u00f3n 14.8.1, iOS versi\u00f3n 15.1 y iPadOS versi\u00f3n 15.1. Un atacante local podr\u00eda causar la terminaci\u00f3n inesperada de la aplicaci\u00f3n o la ejecuci\u00f3n de c\u00f3digo arbitrario"}], "lastModified": "2023-11-07T03:33:46.497", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A9DB9916-6DA1-4A32-86A2-AD8DC5246709", "versionEndExcluding": "14.8.1"}, {"criteria": "cpe:2.3:o:apple:ipados:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6361C54F-4F5D-4624-8A1F-69DBC6AD4A69"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54888682-EF77-4F2A-B07F-AA86B0C65717", "versionEndExcluding": "14.8.1"}, {"criteria": "cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A332DEC8-FB74-404E-BE6A-46DB0DEDAA59"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}