CVE-2021-1769

A logic issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

V2 Legend

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
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

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::::::::

History

No history.

Information

Published : 2021-04-02 18:15

Updated : 2021-04-08 22:13

NVD link : CVE-2021-1769

Mitre link : CVE-2021-1769

CVE.ORG link : CVE-2021-1769

JSON object : View

Products Affected

apple

tvos
macos
mac_os_x
watchos
iphone_os
ipados

CWE

NVD-CWE-noinfo

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This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication."}, {"lang": "es", "value": "Se abord\u00f3 un problema de l\u00f3gica con una comprobaci\u00f3n mejorada. Este problema es corregido en macOS Big Sur versi\u00f3n 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS versi\u00f3n 7.3, tvOS versi\u00f3n 14.4, iOS versi\u00f3n 14.4 y iPadOS versi\u00f3n 14.4. Un atacante malicioso con capacidad arbitraria de lectura y escritura puede ser capaz de omitir una Autenticaci\u00f3n de Puntero."}], "lastModified": "2021-04-08T22:13:03.680", "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"}]}], "sourceIdentifier": "product-security@apple.com"}

5.5 /10

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.1 /10

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

JSON object

Attach tags to CVE-2021-1769

5.5^/10

2.1^/10

Attach tags to `CVE-2021-1769`