Message-id: <5FA6F516-6AD4-4CB2-9DAC-B299D63BCCDD@lists.apple.com>
Date: Mon, 16 May 2022 16:20:19 -0700
From: Apple Product Security via Fulldisclosure <fulldisclosure@...lists.org>
To: security-announce@...ts.apple.com
Subject: [FD] APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6

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APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6

macOS Big Sur 11.6.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213256.

apache
Available for: macOS Big Sur
Impact: Multiple issues in apache
Description: Multiple issues were addressed by updating apache to
version 2.4.53.
CVE-2021-44224
CVE-2021-44790
CVE-2022-22719
CVE-2022-22720
CVE-2022-22721

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

AppleAVD
Available for: macOS Big Sur
Impact: An application may be able to execute arbitrary code with
kernel privileges. Apple is aware of a report that this issue may
have been actively exploited.
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2022-22675: an anonymous researcher

AppleGraphicsControl
Available for: macOS Big Sur
Impact: Processing a maliciously crafted image may lead to arbitrary
code execution
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2022-26751: Michael DePlante (@izobashi) of Trend Micro Zero Day
Initiative

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 issue was addressed with improved
bounds checking.
CVE-2022-26698: Qi Sun 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 issue was addressed with improved
input validation.
CVE-2022-26697: Qi Sun and Robert Ai of Trend Micro

CoreTypes
Available for: macOS Big Sur
Impact: A malicious application may bypass Gatekeeper checks
Description: This issue was addressed with improved checks to prevent
unauthorized actions.
CVE-2022-22663: Arsenii Kostromin (0x3c3e)

CVMS
Available for: macOS Big Sur
Impact: A malicious application may be able to gain root privileges
Description: A memory initialization issue was addressed.
CVE-2022-26721: Yonghwi Jin (@jinmo123) of Theori
CVE-2022-26722: Yonghwi Jin (@jinmo123) of Theori

DriverKit
Available for: macOS Big Sur
Impact: A malicious application may be able to execute arbitrary code
with system privileges
Description: An out-of-bounds access issue was addressed with
improved bounds checking.
CVE-2022-26763: Linus Henze of Pinauten GmbH (pinauten.de)

Graphics Drivers
Available for: macOS Big Sur
Impact: A local user may be able to read kernel memory
Description: An out-of-bounds read issue existed that led to the
disclosure of kernel memory. This was addressed with improved input
validation.
CVE-2022-22674: an anonymous researcher

Intel Graphics Driver
Available for: macOS Big Sur
Impact: A malicious 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-2022-26720: Liu Long of Ant Security Light-Year Lab

Intel Graphics Driver
Available for: macOS Big Sur
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: An out-of-bounds read issue was addressed with improved
input validation.
CVE-2022-26770: Liu Long of Ant Security Light-Year Lab

Intel Graphics Driver
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
input validation.
CVE-2022-26756: Jack Dates of RET2 Systems, Inc

Intel Graphics Driver
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
input validation.
CVE-2022-26769: Antonio Zekic (@antoniozekic)

Intel Graphics Driver
Available for: macOS Big Sur
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved
input validation.
CVE-2022-26748: Jeonghoon Shin of Theori working with Trend Micro
Zero Day Initiative

IOMobileFrameBuffer
Available for: macOS Big Sur
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2022-26768: an anonymous researcher

Kernel
Available for: macOS Big Sur
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
validation.
CVE-2022-26714: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs
(@starlabs_sg)

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-2022-26757: Ned Williamson of Google Project Zero

LaunchServices
Available for: macOS Big Sur
Impact: A malicious application may be able to bypass Privacy
preferences
Description: The issue was addressed with additional permissions
checks.
CVE-2022-26767: Wojciech Reguła (@_r3ggi) of SecuRing

LaunchServices
Available for: macOS Big Sur
Impact: A sandboxed process may be able to circumvent sandbox
restrictions
Description: An access issue was addressed with additional sandbox
restrictions on third-party applications.
CVE-2022-26706: Arsenii Kostromin (0x3c3e)

libresolv
Available for: macOS Big Sur
Impact: An attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: This issue was addressed with improved checks.
CVE-2022-26776: Zubair Ashraf of Crowdstrike, Max Shavrick (@_mxms)
of the Google Security Team

LibreSSL
Available for: macOS Big Sur
Impact: Processing a maliciously crafted certificate may lead to a
denial of service
Description: A denial of service issue was addressed with improved
input validation.
CVE-2022-0778

libxml2
Available for: macOS Big Sur
Impact: A remote attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: A use after free issue was addressed with improved
memory management.
CVE-2022-23308

OpenSSL
Available for: macOS Big Sur
Impact: Processing a maliciously crafted certificate may lead to a
denial of service
Description: This issue was addressed with improved checks.
CVE-2022-0778

PackageKit
Available for: macOS Big Sur
Impact: A malicious application may be able to modify protected parts
of the file system
Description: This issue was addressed by removing the vulnerable
code.
CVE-2022-26712: Mickey Jin (@patch1t)

Printing
Available for: macOS Big Sur
Impact: A malicious application may be able to bypass Privacy
preferences
Description: This issue was addressed by removing the vulnerable
code.
CVE-2022-26746: @gorelics

Security
Available for: macOS Big Sur
Impact: A malicious app may be able to bypass signature validation
Description: A certificate parsing issue was addressed with improved
checks.
CVE-2022-26766: Linus Henze of Pinauten GmbH (pinauten.de)

SMB
Available for: macOS Big Sur
Impact: An application may be able to gain elevated privileges
Description: An out-of-bounds read issue was addressed with improved
input validation.
CVE-2022-26718: Peter Nguyễn Vũ Hoàng of STAR Labs

SMB
Available for: macOS Big Sur
Impact: Mounting a maliciously crafted Samba network share may lead
to arbitrary code execution
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2022-26723: Felix Poulin-Belanger

SMB
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-2022-26715: Peter Nguyễn Vũ Hoàng of STAR Labs

SoftwareUpdate
Available for: macOS Big Sur
Impact: A malicious application may be able to access restricted
files
Description: This issue was addressed with improved entitlements.
CVE-2022-26728: Mickey Jin (@patch1t)

TCC
Available for: macOS Big Sur
Impact: An app may be able to capture a user's screen
Description: This issue was addressed with improved checks.
CVE-2022-26726: an anonymous researcher

Tcl
Available for: macOS Big Sur
Impact: A malicious application may be able to break out of its
sandbox
Description: This issue was addressed with improved environment
sanitization.
CVE-2022-26755: Arsenii Kostromin (0x3c3e)

Vim
Available for: macOS Big Sur
Impact: Multiple issues in Vim
Description: Multiple issues were addressed by updating Vim.
CVE-2021-4136
CVE-2021-4166
CVE-2021-4173
CVE-2021-4187
CVE-2021-4192
CVE-2021-4193
CVE-2021-46059
CVE-2022-0128

WebKit
Available for: macOS Big Sur
Impact: Processing a maliciously crafted mail message may lead to
running arbitrary javascript
Description: A validation issue was addressed with improved input
sanitization.
CVE-2022-22589: Heige of KnownSec 404 Team (knownsec.com) and Bo Qu
of Palo Alto Networks (paloaltonetworks.com)

Wi-Fi
Available for: macOS Big Sur
Impact: A malicious application may disclose restricted memory
Description: A memory corruption issue was addressed with improved
validation.
CVE-2022-26745: an anonymous researcher

Wi-Fi
Available for: macOS Big Sur
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2022-26761: Wang Yu of Cyberserval

zip
Available for: macOS Big Sur
Impact: Processing a maliciously crafted file may lead to a denial of
service
Description: A denial of service issue was addressed with improved
state handling.
CVE-2022-0530

zlib
Available for: macOS Big Sur
Impact: An attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-25032: Tavis Ormandy

zsh
Available for: macOS Big Sur
Impact: A remote attacker may be able to cause arbitrary code
execution
Description: This issue was addressed by updating to zsh version
5.8.1.
CVE-2021-45444

Additional recognition

Bluetooth
We would like to acknowledge Jann Horn of Project Zero for their
assistance.

macOS Big Sur 11.6.6 may be obtained from the Mac App Store or
Apple's Software Downloads web site:
https://support.apple.com/downloads/
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222.

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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