Message-id: <248FD9F3-84A6-48F2-AEA6-5B5233EE0BB4@lists.apple.com>
Date: Thu, 18 May 2023 16:09:16 -0700
From: Apple Product Security via Fulldisclosure <fulldisclosure@...lists.org>
To: security-announce@...ts.apple.com
Subject: [FD] APPLE-SA-2023-05-18-5 macOS Big Sur 11.7.7

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APPLE-SA-2023-05-18-5 macOS Big Sur 11.7.7

macOS Big Sur 11.7.7 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213760.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Accessibility
Available for: macOS Big Sur
Impact: An app may be able to bypass Privacy preferences
Description: A privacy issue was addressed with improved private data
redaction for log entries.
CVE-2023-32388: Kirin (@Pwnrin)

AppleEvents
Available for: macOS Big Sur
Impact: An app may be able to bypass Privacy preferences
Description: This issue was addressed with improved redaction of
sensitive information.
CVE-2023-28191: Mickey Jin (@patch1t)

AppleMobileFileIntegrity
Available for: macOS Big Sur
Impact: An app may be able to bypass Privacy preferences
Description: This issue was addressed with improved entitlements.
CVE-2023-32411: Mickey Jin (@patch1t)

Contacts
Available for: macOS Big Sur
Impact: An app may be able to observe unprotected user data
Description: A privacy issue was addressed with improved handling of
temporary files.
CVE-2023-32386: Kirin (@Pwnrin)

CoreCapture
Available for: macOS Big Sur
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: The issue was addressed with improved memory handling.
CVE-2023-28181: Tingting Yin of Tsinghua University

CUPS
Available for: macOS Big Sur
Impact: An unauthenticated user may be able to access recently printed
documents
Description: An authentication issue was addressed with improved state
management.
CVE-2023-32360: Gerhard Muth

dcerpc
Available for: macOS Big Sur
Impact: A remote attacker may be able to cause unexpected app
termination or arbitrary code execution
Description: A use-after-free issue was addressed with improved memory
management.
CVE-2023-32387: Dimitrios Tatsis of Cisco Talos

Dev Tools
Available for: macOS Big Sur
Impact: A sandboxed app may be able to collect system logs
Description: This issue was addressed with improved entitlements.
CVE-2023-27945: Mickey Jin (@patch1t)

GeoServices
Available for: macOS Big Sur
Impact: An app may be able to read sensitive location information
Description: A privacy issue was addressed with improved private data
redaction for log entries.
CVE-2023-32392: an anonymous researcher

ImageIO
Available for: macOS Big Sur
Impact: Processing an image may lead to arbitrary code execution
Description: A buffer overflow was addressed with improved bounds
checking.
CVE-2023-32384: Meysam Firouzi @R00tkitsmm working with Trend Micro Zero
Day Initiative

IOSurface
Available for: macOS Big Sur
Impact: An app may be able to leak sensitive kernel state
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2023-32410: hou xuewei (@p1ay8y3ar) vmk msu

Kernel
Available for: macOS Big Sur
Impact: An app may be able to gain root privileges
Description: A race condition was addressed with improved state
handling.
CVE-2023-32413: Eloi Benoist-Vanderbeken (@elvanderb) from Synacktiv
(@Synacktiv) working with Trend Micro Zero Day Initiative

Kernel
Available for: macOS Big Sur
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: A use-after-free issue was addressed with improved memory
management.
CVE-2023-32398: Adam Doupé of ASU SEFCOM

LaunchServices
Available for: macOS Big Sur
Impact: An app may bypass Gatekeeper checks
Description: A logic issue was addressed with improved checks.
CVE-2023-32352: Wojciech Reguła (@_r3ggi) of SecuRing
(wojciechregula.blog)

libxpc
Available for: macOS Big Sur
Impact: An app may be able to modify protected parts of the file system
Description: A logic issue was addressed with improved state management.
CVE-2023-32369: Jonathan Bar Or of Microsoft, Anurag Bohra of Microsoft,
and Michael Pearse of Microsoft

libxpc
Available for: macOS Big Sur
Impact: An app may be able to gain root privileges
Description: A logic issue was addressed with improved checks.
CVE-2023-32405: Thijs Alkemade (@xnyhps) from Computest Sector 7

Metal
Available for: macOS Big Sur
Impact: An app may be able to bypass Privacy preferences
Description: A logic issue was addressed with improved state management.
CVE-2023-32407: Gergely Kalman (@gergely_kalman)

Model I/O
Available for: macOS Big Sur
Impact: Processing a 3D model may lead to arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2023-32380: Mickey Jin (@patch1t)

Model I/O
Available for: macOS Big Sur
Impact: Processing a 3D model may result in disclosure of process memory
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2023-32382: Mickey Jin (@patch1t)

NetworkExtension
Available for: macOS Big Sur
Impact: An app may be able to read sensitive location information
Description: This  issue was addressed with improved redaction of
sensitive information.
CVE-2023-32403: an anonymous researcher

PackageKit
Available for: macOS Big Sur
Impact: An app may be able to modify protected parts of the file system
Description: A logic issue was addressed with improved state management.
CVE-2023-32355: Mickey Jin (@patch1t)

Perl
Available for: macOS Big Sur
Impact: An app may be able to modify protected parts of the file system
Description: A logic issue was addressed with improved state management.
CVE-2023-32395: Arsenii Kostromin (0x3c3e)

Sandbox
Available for: macOS Big Sur
Impact: An app may be able to retain access to system configuration
files even after its permission is revoked
Description: An authorization issue was addressed with improved state
management.
CVE-2023-32357: Yiğit Can YILMAZ (@yilmazcanyigit), Jeff Johnson, Koh M.
Nakagawa of FFRI Security, Inc., Kirin (@Pwnrin), and Csaba Fitzl
(@theevilbit) of Offensive Security

Shell
Available for: macOS Big Sur
Impact: An app may be able to modify protected parts of the file system
Description: A logic issue was addressed with improved state management.
CVE-2023-32397: Arsenii Kostromin (0x3c3e)

Telephony
Available for: macOS Big Sur
Impact: A remote attacker may be able to cause unexpected app
termination or arbitrary code execution
Description: A use-after-free issue was addressed with improved memory
management.
CVE-2023-32412: Ivan Fratric of Google Project Zero

Additional recognition

libxml2
We would like to acknowledge OSS-Fuzz, Ned Williamson of Google Project
Zero for their assistance.

Reminders
We would like to acknowledge Kirin (@Pwnrin) for their assistance.

Security
We would like to acknowledge James Duffy (mangoSecure) for their
assistance.

Wi-Fi
We would like to acknowledge an anonymous researcher for their
assistance.

Wi-Fi Connectivity
We would like to acknowledge an anonymous researcher for their
assistance.

macOS Big Sur 11.7.7 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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