CVE-2020-27952 Information

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1 Security Update 2020-001 Catalina Security Update 2020-007 Mojave macOS Big Sur 11.0.1. Processing a maliciously crafted font file may lead to arbitrary code execution.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/en-us/HT212011 https://support.apple.com/en-us/HT211931

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8