PT-2021-13562 · Apple · Coretext+5
Mickey Jin
+1
·
Published
2021-02-01
·
Updated
2022-06-03
·
CVE-2021-1772
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions:
Apple macOS versions prior to 11.2
Security Update versions prior to 2021-001 Catalina
Security Update versions prior to 2021-001 Mojave
watchOS versions prior to 7.3
tvOS versions prior to 14.4
iOS versions prior to 14.4
iPadOS versions prior to 14.4
Description:
A stack overflow issue was addressed with improved input validation. Processing a maliciously crafted text file may lead to arbitrary code execution. The issue is related to CoreText TTF parsing and can result in a stack-based buffer overflow or out-of-bounds write, allowing for remote code execution.
Recommendations:
For macOS versions prior to 11.2, update to macOS Big Sur 11.2 or later.
For Security Update versions prior to 2021-001 Catalina, apply Security Update 2021-001 Catalina or later.
For Security Update versions prior to 2021-001 Mojave, apply Security Update 2021-001 Mojave or later.
For watchOS versions prior to 7.3, update to watchOS 7.3 or later.
For tvOS versions prior to 14.4, update to tvOS 14.4 or later.
For iOS versions prior to 14.4, update to iOS 14.4 or later.
For iPadOS versions prior to 14.4, update to iPadOS 14.4 or later.
Fix
Memory Corruption
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Coretext
Apple Macos
Ios
Ipados
Tvos
Watchos