CVE-2020-27931

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0. Processing a maliciously crafted font file may lead to arbitrary code execution.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

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

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
https://support.apple.com/en-us/HT212011	Vendor Advisory
https://support.apple.com/en-us/HT211844	Vendor Advisory
https://support.apple.com/en-us/HT211843	Vendor Advisory
https://support.apple.com/en-us/HT211931	Vendor Advisory
https://support.apple.com/en-us/HT211850	Vendor Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

Configuration 2 (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:mac_os_x::::::::

Information

Published : 2021-04-02 11:15

Updated : 2023-01-09 08:41

NVD link : CVE-2020-27931

Mitre link : CVE-2020-27931

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

apple

tvos
mac_os_x
watchos
iphone_os
ipados

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