About the security content of macOS Big Sur 11.6.5

This document describes the security content of macOS Big Sur 11.6.5.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

macOS Big Sur 11.6.5

Accelerate Framework

Available for: macOS Big Sur

Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution

Description: A memory corruption issue was addressed with improved state management.

CVE-2022-22633: ryuzaki

AppKit

Available for: macOS Big Sur

Impact: A malicious application may be able to gain root privileges

Description: A logic issue was addressed with improved validation.

CVE-2022-22665: Lockheed Martin Red Team

AppleGraphicsControl

Available for: macOS Big Sur

Impact: An application may be able to gain elevated privileges

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2022-22631: Wang Yu of cyberserval

AppleScript

Available for: macOS Big Sur

Impact: An application may be able to read restricted memory

Description: This issue was addressed with improved checks.

CVE-2022-22648: Mickey Jin (@patch1t) of Trend Micro

AppleScript

Available for: macOS Big Sur

Impact: Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2022-22627: Qi Sun and Robert Ai of Trend Micro

CVE-2022-22626: Mickey Jin (@patch1t) of Trend Micro

AppleScript

Available for: macOS Big Sur

Impact: Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2022-22625: Mickey Jin (@patch1t) of Trend Micro

AppleScript

Available for: macOS Big Sur

Impact: Processing a maliciously crafted file may lead to arbitrary code execution

Description: A memory corruption issue was addressed with improved validation.

CVE-2022-22597: Qi Sun and Robert Ai of Trend Micro

BOM

Available for: macOS Big Sur

Impact: A maliciously crafted ZIP archive may bypass Gatekeeper checks

Description: This issue was addressed with improved checks.

CVE-2022-22616: Ferdous Saljooki (@malwarezoo) and Jaron Bradley (@jbradley89) of Jamf Software, Mickey Jin (@patch1t)

CUPS

Available for: macOS Big Sur

Impact: An application may be able to gain elevated privileges

Description: A logic issue was addressed with improved state management.

CVE-2022-26691: Joshua Mason of Mandiant

Intel Graphics Driver

Available for: macOS Big Sur

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A type confusion issue was addressed with improved state handling.

CVE-2022-46706: Wang Yu of Cyberserval, and Pan ZhenPeng (@Peterpan0927) of Alibaba Security Pandora Lab

Intel Graphics Driver

Available for: macOS Big Sur

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A type confusion issue was addressed with improved state handling.

CVE-2022-22661: Wang Yu of Cyberserval and Pan ZhenPeng (@Peterpan0927) of Alibaba Security Pandora Lab

Kernel

Available for: macOS Big Sur

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2022-22613: Alex, an anonymous researcher

Kernel

Available for: macOS Big Sur

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A use after free issue was addressed with improved memory management.

CVE-2022-22615: an anonymous researcher

CVE-2022-22614: an anonymous researcher

Kernel

Available for: macOS Big Sur

Impact: An attacker in a privileged position may be able to perform a denial of service attack

Description: A null pointer dereference was addressed with improved validation.

CVE-2022-22638: derrek (@derrekr6)

Kernel

Available for: macOS Big Sur

Impact: A malicious application may be able to elevate privileges

Description: A logic issue was addressed with improved state management.

CVE-2022-22632: Keegan Saunders

Login Window

Available for: macOS Big Sur

Impact: A person with access to a Mac may be able to bypass Login Window

Description: This issue was addressed with improved checks.

CVE-2022-22647: Yuto Ikeda of Kyushu University

LoginWindow

Available for: macOS Big Sur

Impact: A local attacker may be able to view the previous logged in user’s desktop from the fast user switching screen

Description: An authentication issue was addressed with improved state management.

CVE-2022-22656

MobileAccessoryUpdater

Available for: macOS Big Sur

Impact: A malicious application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2022-22672: Siddharth Aeri (@b1n4r1b01)

PackageKit

Available for: macOS Big Sur

Impact: An application may be able to gain elevated privileges

Description: A logic issue was addressed with improved state management.

CVE-2022-22617: Mickey Jin (@patch1t)

PackageKit

Available for: macOS Big Sur

Impact: A malicious app with root privileges may be able to modify the contents of system files

Description: An issue in the handling of symlinks was addressed with improved validation.

CVE-2022-26688: Mickey Jin (@patch1t) of Trend Micro

QuickTime Player

Available for: macOS Big Sur

Impact: A plug-in may be able to inherit the application's permissions and access user data

Description: This issue was addressed with improved checks.

CVE-2022-22650: Wojciech Reguła (@_r3ggi) of SecuRing

Siri

Available for: macOS Big Sur

Impact: A person with physical access to a device may be able to use Siri to obtain some location information from the lock screen

Description: A permissions issue was addressed with improved validation.

CVE-2022-22599: Andrew Goldberg of the University of Texas at Austin, McCombs School of Business (linkedin.com/andrew-goldberg-/)

SMB

Available for: macOS Big Sur

Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2022-22651: Felix Poulin-Belanger

WebKit

Available for: macOS Big Sur

Impact: Processing maliciously crafted web content may disclose sensitive user information

Description: A cookie management issue was addressed with improved state management.

CVE-2022-22662: Prakash (@1lastBr3ath) of Threat Nix

WebKit

Available for: macOS Big Sur

Impact: Processing maliciously crafted web content may disclose sensitive user information

Description: A cookie management issue was addressed with improved state management.

CVE-2022-22662: Prakash (@1lastBr3ath) of Threat Nix

xar

Available for: macOS Big Sur

Impact: A local user may be able to write arbitrary files

Description: A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks.

CVE-2022-22582: Richard Warren of NCC Group

Additional recognition

Intel Graphics Driver

We would like to acknowledge Jack Dates of RET2 Systems, Inc., Yinyi Wu (@3ndy1) for their assistance.

syslog

We would like to acknowledge Yonghwi Jin (@jinmo123) of Theori for their assistance.

TCC

We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance.