CVE-2021-30753

Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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-2021-30753

Mitre link : CVE-2021-30753

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

apple

tvos
macos
watchos
iphone_os
ipados

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