CVE-2021-1789

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

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

V2 Legend

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
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/	Mailing List
https://security.gentoo.org/glsa/202104-03	Third Party Advisory
https://support.apple.com/en-us/HT212146	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212147	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212148	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212149	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212152	Release Notes Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/	Mailing List
https://security.gentoo.org/glsa/202104-03	Third Party Advisory
https://support.apple.com/en-us/HT212146	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212147	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212148	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212149	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212152	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:mac_os_x::::::::
	cpe:2.3:o:apple:mac_os_x::::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:-::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:-::::::
	cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:watchos::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

Configuration 3 (hide)

cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:45

Type	Values Removed	Values Added
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/ - Mailing List~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/ - Mailing List
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ - Mailing List~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ - Mailing List
References	~~() https://security.gentoo.org/glsa/202104-03 - Third Party Advisory~~	() https://security.gentoo.org/glsa/202104-03 - Third Party Advisory
References	~~() https://support.apple.com/en-us/HT212146 - Release Notes, Vendor Advisory~~	() https://support.apple.com/en-us/HT212146 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212147 - Release Notes, Vendor Advisory~~	() https://support.apple.com/en-us/HT212147 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212148 - Release Notes, Vendor Advisory~~	() https://support.apple.com/en-us/HT212148 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212149 - Release Notes, Vendor Advisory~~	() https://support.apple.com/en-us/HT212149 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212152 - Release Notes, Vendor Advisory~~	() https://support.apple.com/en-us/HT212152 - Release Notes, Vendor Advisory

02 Jul 2024, 17:02

Type	Values Removed	Values Added
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/ - Mailing List
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ - Mailing List

02 Jun 2021, 13:19

Type	Values Removed	Values Added
CPE		cpe:2.3:a:webkitgtk:webkitgtk::::::::
References	~~(GENTOO) https://security.gentoo.org/glsa/202104-03 -~~	(GENTOO) https://security.gentoo.org/glsa/202104-03 - Third Party Advisory

Information

Published : 2021-04-02 18:15

Updated : 2025-02-28 14:44

NVD link : CVE-2021-1789

Mitre link : CVE-2021-1789

CVE.ORG link : CVE-2021-1789

JSON object : View

Products Affected

fedoraproject

fedora

apple

iphone_os
watchos
mac_os_x
tvos
macos
ipados

webkitgtk

webkitgtk

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution."}, {"lang": "es", "value": "Se abord\u00f3 un problema de confusi\u00f3n de tipos con un manejo del estado mejorado. Este problema es corregido en macOS Big Sur versi\u00f3n 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS versi\u00f3n 14.4, watchOS versi\u00f3n 7.3, iOS versi\u00f3n 14.4 y iPadOS versi\u00f3n 14.4, Safari versi\u00f3n 14.0.3. El procesamiento de contenido web dise\u00f1ado malicioso puede conllevar a una ejecuci\u00f3n de c\u00f3digo arbitraria."}], "lastModified": "2025-02-28T14:44:48.713", "cisaActionDue": "2022-05-25", "cisaExploitAdd": "2022-05-04", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17AAEA98-4C05-496E-81A7-AC031FCDDDA5", "versionEndExcluding": "14.4"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "062166D7-2444-4022-B7E4-13884C43EDCA", "versionEndExcluding": "14.4"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6DE2B03F-94EE-4E32-B366-FE31A7031403", "versionEndExcluding": "10.14.6", "versionStartIncluding": "10.14"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB8A73F8-3074-4B32-B9F6-343B6B1988C5", "versionEndExcluding": "10.15.7", "versionStartIncluding": "10.15"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "693E7DAE-BBF0-4D48-9F8A-20DDBD4AAC0C"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A369D48B-6A0A-47AE-9513-D5E2E6F30931"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "510F8317-94DA-498E-927A-83D5F41AF54A"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D5D1970-6D2A-42CA-A203-42023D71730D"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C68AE52B-5139-40A4-AE9A-E752DBF07D1B"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0FD3467D-7679-479F-9C0B-A93F7CD0929D"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D4C6098E-EDBD-4A85-8282-B2E9D9333872"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "518BB47B-DD76-4E8C-9F10-7EBC1E146191"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "63940A55-D851-46EB-9668-D82BEFC1FE95"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "68C7A97A-3801-44FA-96CA-10298FA39883"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D69914D-46C7-4A0E-A075-C863C1692D33"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9CDB4476-B521-43E4-A129-8718A8E0A8CD"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2C88BD98-46F5-447F-963A-FB9B167E31BE"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7A0615B-D958-4BBF-B53F-AA839A0FE845"}, {"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:supplemental_update:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9B0973F4-D921-4060-9384-43D176F26967", "versionEndExcluding": "11.2", "versionStartIncluding": "11.0"}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7320CF7C-3750-4CAA-8B7C-CAFC7E65354A", "versionEndExcluding": "14.4"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9AA4C59B-EC23-4723-9DFF-412938209DE5", "versionEndExcluding": "7.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "77FB95B4-8279-4DB9-B98F-DCFB2A212668", "versionEndExcluding": "2.30.6"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Apple Multiple Products Type Confusion Vulnerability"}

8.8 /10