CVE-2021-30736

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.

CVSS v3.0 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3.0 : 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/HT212529	Vendor Advisory
https://support.apple.com/en-us/HT212528	Vendor Advisory
https://support.apple.com/en-us/HT212532	Vendor Advisory
https://support.apple.com/en-us/HT212533	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:watchos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:macos::::::::

Information

Published : 2021-09-08 07:15

Updated : 2023-01-09 08:41

NVD link : CVE-2021-30736

Mitre link : CVE-2021-30736

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

apple

tvos
macos
watchos
iphone_os
ipados

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