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APPLE-SA-2023-05-18-3 macOS Ventura 13.4

macOS Ventura 13.4 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213758.

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

Accessibility
Available for: macOS Ventura
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)

Accessibility
Available for: macOS Ventura
Impact: Entitlements and privacy permissions granted to this app may be
used by a malicious app
Description: This issue was addressed with improved checks.
CVE-2023-32400: Mickey Jin (@patch1t)

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

Associated Domains
Available for: macOS Ventura
Impact: An app may be able to break out of its sandbox
Description: The issue was addressed with improved checks.
CVE-2023-32371: James Duffy (mangoSecure)

Contacts
Available for: macOS Ventura
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)

Core Location
Available for: macOS Ventura
Impact: An app may be able to read sensitive location information
Description: The issue was addressed with improved handling of caches.
CVE-2023-32399: an anonymous researcher

CoreServices
Available for: macOS Ventura
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)

CUPS
Available for: macOS Ventura
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 Ventura
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

DesktopServices
Available for: macOS Ventura
Impact: An app may be able to break out of its sandbox
Description: The issue was addressed with improved checks.
CVE-2023-32414: Mickey Jin (@patch1t)

GeoServices
Available for: macOS Ventura
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 Ventura
Impact: Processing an image may result in disclosure of process memory
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2023-32372: Meysam Firouzi of @R00tkitSMM Mbition mercedes-benz
innovation lab working with Trend Micro Zero Day Initiative

ImageIO
Available for: macOS Ventura
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 Ventura
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

IOSurfaceAccelerator
Available for: macOS Ventura
Impact: An app may be able to cause unexpected system termination or
read kernel memory
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2023-32420: Linus Henze of Pinauten GmbH (pinauten.de)

Kernel
Available for: macOS Ventura
Impact: An app may be able to execute arbitrary code with kernel
privileges
Description: A type confusion issue was addressed with improved checks.
CVE-2023-27930: 08Tc3wBB of Jamf

Kernel
Available for: macOS Ventura
Impact: A sandboxed app may be able to observe system-wide network
connections
Description: The issue was addressed with additional permissions checks.
CVE-2023-27940: James Duffy (mangoSecure)

Kernel
Available for: macOS Ventura
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

Kernel
Available for: macOS Ventura
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

LaunchServices
Available for: macOS Ventura
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 Ventura
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 Ventura
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 Ventura
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 Ventura
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-2023-32368: Mickey Jin (@patch1t)
CVE-2023-32375: Michael DePlante (@izobashi) of Trend Micro Zero Day
Initiative
CVE-2023-32382: Mickey Jin (@patch1t)

Model I/O
Available for: macOS Ventura
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)

NetworkExtension
Available for: macOS Ventura
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 Ventura
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)

PDFKit
Available for: macOS Ventura
Impact: Opening a PDF file may lead to unexpected app termination
Description: A denial-of-service issue was addressed with improved
memory handling.
CVE-2023-32385: Jonathan Fritz

Perl
Available for: macOS Ventura
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)

Photos
Available for: macOS Ventura
Impact: Photos belonging to the Hidden Photos Album could be viewed
without authentication through Visual Lookup
Description: The issue was addressed with improved checks.
CVE-2023-32390: Julian Szulc

Sandbox
Available for: macOS Ventura
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), Koh M. Nakagawa of
FFRI Security, Inc., Kirin (@Pwnrin), Jeff Johnson (underpassapp.com),
and Csaba Fitzl (@theevilbit) of Offensive Security

Screen Saver
Available for: macOS Ventura
Impact: An app may be able to bypass Privacy preferences
Description: A permissions issue was addressed by removing vulnerable
code and adding additional checks.
CVE-2023-32363: Mickey Jin (@patch1t)

Security
Available for: macOS Ventura
Impact: An app may be able to access user-sensitive data
Description: This issue was addressed with improved entitlements.
CVE-2023-32367: James Duffy (mangoSecure)

Shell
Available for: macOS Ventura
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)

Shortcuts
Available for: macOS Ventura
Impact: A shortcut may be able to use sensitive data with certain
actions without prompting the user
Description: The issue was addressed with improved checks.
CVE-2023-32391: Wenchao Li and Xiaolong Bai of Alibaba Group

Shortcuts
Available for: macOS Ventura
Impact: An app may be able to bypass Privacy preferences
Description: This issue was addressed with improved entitlements.
CVE-2023-32404: Mickey Jin (@patch1t), Zhipeng Huo (@R3dF09) of Tencent
Security Xuanwu Lab (xlab.tencent.com), and an anonymous researcher

Siri
Available for: macOS Ventura
Impact: A person with physical access to a device may be able to view
contact information from the lock screen
Description: The issue was addressed with improved checks.
CVE-2023-32394: Khiem Tran

SQLite
Available for: macOS Ventura
Impact: An app may be able to access data from other apps by enabling
additional SQLite logging
Description: This issue was addressed by adding additional SQLite
logging restrictions.
CVE-2023-32422: Gergely Kalman (@gergely_kalman)

StorageKit
Available for: macOS Ventura
Impact: An app may be able to modify protected parts of the file system
Description: This issue was addressed with improved entitlements.
CVE-2023-32376: Yiğit Can YILMAZ (@yilmazcanyigit)

System Settings
Available for: macOS Ventura
Impact: An app firewall setting may not take effect after exiting the
Settings app
Description: This issue was addressed with improved state management.
CVE-2023-28202: Satish Panduranga and an anonymous researcher

Telephony
Available for: macOS Ventura
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

TV App
Available for: macOS Ventura
Impact: An app may be able to read sensitive location information
Description: The issue was addressed with improved handling of caches.
CVE-2023-32408: Adam M.

Weather
Available for: macOS Ventura
Impact: An app may be able to read sensitive location information
Description: This  issue was addressed with improved redaction of
sensitive information.
CVE-2023-32415: Wojciech Regula of SecuRing (wojciechregula.blog), and
an anonymous researcher

WebKit
Available for: macOS Ventura
Impact: Processing web content may disclose sensitive information
Description: An out-of-bounds read was addressed with improved input
validation.
WebKit Bugzilla: 255075
CVE-2023-32402: an anonymous researcher

WebKit
Available for: macOS Ventura
Impact: Processing web content may disclose sensitive information
Description: A buffer overflow issue was addressed with improved memory
handling.
WebKit Bugzilla: 254781
CVE-2023-32423: Ignacio Sanmillan (@ulexec)

WebKit
Available for: macOS Ventura
Impact: A remote attacker may be able to break out of Web Content
sandbox. Apple is aware of a report that this issue may have been
actively exploited.
Description: The issue was addressed with improved bounds checks.
WebKit Bugzilla: 255350
CVE-2023-32409: Clément Lecigne of Google's Threat Analysis Group and
Donncha Ó Cearbhaill of Amnesty International’s Security Lab

WebKit
Available for: macOS Ventura
Impact: Processing web content may disclose sensitive information. Apple
is aware of a report that this issue may have been actively exploited.
Description: An out-of-bounds read was addressed with improved input
validation.
WebKit Bugzilla: 254930
CVE-2023-28204: an anonymous researcher
This issue was first addressed in Rapid Security Response macOS 13.3.1
(a).

WebKit
Available for: macOS Ventura
Impact: Processing maliciously crafted web content may lead to arbitrary
code execution. Apple is aware of a report that this issue may have been
actively exploited.
Description: A use-after-free issue was addressed with improved memory
management.
WebKit Bugzilla: 254840
CVE-2023-32373: an anonymous researcher
This issue was first addressed in Rapid Security Response macOS 13.3.1
(a).

Wi-Fi
Available for: macOS Ventura
Impact: An app may be able to disclose kernel memory
Description: This  issue was addressed with improved redaction of
sensitive information.
CVE-2023-32389: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

Additional recognition

Accounts
We would like to acknowledge Sergii Kryvoblotskyi of MacPaw Inc. for
their assistance.

CloudKit
We would like to acknowledge Iconic for their assistance.

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.

Rosetta
We would like to acknowledge Koh M. Nakagawa of FFRI Security, Inc. for
their assistance.

Safari
We would like to acknowledge Khiem Tran for their assistance.

Security
We would like to acknowledge Brandon Toms for their assistance.

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

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

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

macOS Ventura 13.4 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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