About the security content of macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra

This document describes the security content of macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra.

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 Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra

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: natashenka 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), Jie Chang of LinkSure Network, Yuchen Zhou of Northeastern University, Feng Qian of University of Minnesota – Twin City, Zhiyun Qian of University of California, Riverside (UCR), and Nael Abu-Ghazaleh of University of California, Riverside (UCR) for their assistance.