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APPLE-SA-2019-1-22-2 macOS Mojave 10.14.3,
Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra

macOS Mojave 10.14.3, Security Update 2019-001 High Sierra,
Security Update 2019-001 Sierra are now available
and addresses the following:

AppleKeyStore
Available for: macOS Mojave 10.14.2
Impact: A sandboxed process may be able to circumvent sandbox
restrictions
Description: A memory corruption issue was addressed with improved
validation.
CVE-2019-6235: Brandon Azad

Bluetooth
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.2
Impact: An attacker in a privileged network position may be able to
execute arbitrary code
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2019-6200: an anonymous researcher

Core Media
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.2
Impact: A malicious application may be able to elevate privileges
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2019-6202: Fluoroacetate working with Trend Micro’s Zero Day
Initiative
CVE-2019-6221: Fluoroacetate working with Trend Micro’s Zero Day
Initiative

CoreAnimation
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: A malicious application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2019-6231: Zhuo Liang of Qihoo 360 Nirvan Team

CoreAnimation
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: A malicious application may be able to break out of its
sandbox
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2019-6230: Proteas, Shrek_wzw and Zhuo Liang of Qihoo 360 Nirvan
Team

FaceTime
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.2
Impact: A remote attacker may be able to initiate a FaceTime call
causing arbitrary code execution
Description: A buffer overflow issue was addressed with improved
memory handling.
CVE-2019-6224: Natalie Silvanovich of Google Project Zero

Hypervisor
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6
Impact: A malicious application may be able to elevate privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2018-4467: Martim Carbone, David Vernet, Sam Scalise, and Fred
Jacobs of the Virtual Machine Monitor Group of VMware, Inc.

Intel Graphics Driver
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6
Impact: A malicious application may be able to execute arbitrary code
with system privileges
Description: A memory consumption issue was addressed with improved
memory handling.
CVE-2018-4452: Liu Long of Qihoo 360 Vulcan Team

IOKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: A malicious application may be able to break out of its
sandbox
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2019-6214: Ian Beer of Google Project Zero

Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: A malicious application may be able to elevate privileges
Description: A memory corruption issue was addressed with improved
validation.
CVE-2019-6225: Brandon Azad of Google Project Zero, Qixun Zhao of
Qihoo 360 Vulcan Team

Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
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-2019-6210: Ned Williamson of Google

Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: A malicious application may cause unexpected changes in
memory shared between processes
Description: A memory corruption issue was addressed with improved
lock state checking.
CVE-2019-6205: Ian Beer of Google Project Zero

Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A buffer overflow was addressed with improved bounds
checking.
CVE-2019-6213: Ian Beer of Google Project Zero

Kernel
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.2
Impact: A malicious application may be able to determine kernel
memory layout
Description: An out-of-bounds read issue existed that led to the
disclosure of kernel memory. This was addressed with improved input
validation.
CVE-2019-6209: Brandon Azad of Google Project Zero

Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: A malicious application may cause unexpected changes in
memory shared between processes
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2019-6208: Jann Horn of Google Project Zero

libxpc
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
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-2019-6218: Ian Beer of Google Project Zero

Natural Language Processing
Available for: macOS Mojave 10.14.2
Impact: Processing a maliciously crafted message may lead to a denial
of service
Description: A denial of service issue was addressed with improved
validation.
CVE-2019-6219: Authier Thomas

QuartzCore
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS
Mojave 10.14.2
Impact: An application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2019-6220: Yufeng Ruan of Chaitin Security Research Lab

SQLite
Available for: macOS Mojave 10.14.2
Impact: A maliciously crafted SQL query may lead to arbitrary code
execution
Description: Multiple memory corruption issues were addressed with
improved input validation.
CVE-2018-20346: Tencent Blade Team
CVE-2018-20505: Tencent Blade Team
CVE-2018-20506: Tencent Blade Team

WebRTC
Available for: macOS Mojave 10.14.2
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
state management.
CVE-2019-6211: Georgi Geshev (@munmap), Fabi Beterke (@pwnfl4k3s),
and Rob Miller (@trotmaster99) of MWR Labs (@mwrlabs) working with
Trend Micro’s Zero Day Initiative

Additional recognition

apache_mod_php
We would like to acknowledge an anonymous researcher for their
assistance.

Kernel
We would like to acknowledge Daniel Roethlisberger of Swisscom CSIRT
for their assistance.

LibreSSL
We would like to acknowledge Viktor Szakats for their assistance.

mDNSResponder
We would like to acknowledge Fatemah Alharbi of University of
California, Riverside (UCR) and Taibah University (TU), Feng Qian of
University of Minnesota – Twin City, Jie Chang of LinkSure Network,
Nael Abu-Ghazaleh of University of California, Riverside (UCR),
Yuchen Zhou of Northeastern University, and Zhiyun Qian of University
of California, Riverside (UCR) for their assistance.

Installation note:

macOS Mojave 10.14.3, Security Update 2019-001 High Sierra,
Security Update 2019-001 Sierra may be obtained from
the Mac App Store or Apple’s Software Downloads web site:
https://support.apple.com/downloads/

Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/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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