CVE-2021-30848

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

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

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://seclists.org/fulldisclosure/2021/Oct/60	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Oct/61	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/26/9	Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/1	Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/2	Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/4	Mailing List
https://support.apple.com/en-us/HT212807	Vendor Advisory
https://support.apple.com/en-us/HT212814	Vendor Advisory
https://support.apple.com/en-us/HT212816	Vendor Advisory
https://support.apple.com/kb/HT212869	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apple:safari::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::

History

No history.

Information

Published : 2021-10-19 14:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-30848

Mitre link : CVE-2021-30848

CVE.ORG link : CVE-2021-30848

JSON object : View

Products Affected

apple

ipados
macos
safari
iphone_os

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-30848", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "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": "2021-10-19T14:15:09.717", "references": [{"url": "http://seclists.org/fulldisclosure/2021/Oct/60", "tags": ["Mailing List", "Third Party Advisory"], "source": "product-security@apple.com"}, {"url": "http://seclists.org/fulldisclosure/2021/Oct/61", "tags": ["Mailing List", "Third Party Advisory"], "source": "product-security@apple.com"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/26/9", "tags": ["Mailing List"], "source": "product-security@apple.com"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/1", "tags": ["Mailing List"], "source": "product-security@apple.com"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/2", "tags": ["Mailing List"], "source": "product-security@apple.com"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/4", "tags": ["Mailing List"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212807", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212814", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212816", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/kb/HT212869", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution."}, {"lang": "es", "value": "Se abord\u00f3 un problema de corrupci\u00f3n de memoria con un manejo de memoria mejorado. Este problema es corregido en iOS versi\u00f3n 14.8 y iPadOS versi\u00f3n 14.8, Safari versi\u00f3n 15, iOS versi\u00f3n 15 y iPadOS versi\u00f3n 15. El procesamiento de contenido web dise\u00f1ado de forma maliciosa puede conllevar a una ejecuci\u00f3n de c\u00f3digo"}], "lastModified": "2021-11-23T20:19:52.240", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F80E547D-86D4-4790-8C0B-8222019C476D", "versionEndExcluding": "15.0"}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCD67B72-0B1D-46A8-A149-8149ED749FEC", "versionEndExcluding": "14.8"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56F86481-D995-43D7-982F-5DC6E4682A65", "versionEndExcluding": "14.8"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "579B2A0D-A84F-45C2-B545-35ECEA3297DA", "versionEndExcluding": "12.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}