About the security content of macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra

This document describes the security content of macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 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 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra

AppleGraphicsControl

Available for: macOS Mojave 10.14.5

Impact: An application may be able to read restricted memory

Description: A validation issue was addressed with improved input sanitisation.

CVE-2019-8693: Arash Tohidi of Solita

autofs

Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.5, macOS High Sierra 10.13.6

Impact: Extracting a zip file containing a symbolic link to an endpoint in an NFS mount that is attacker controlled may bypass Gatekeeper

Description: This was addressed with additional checks by Gatekeeper on files mounted through a network share.

CVE-2019-8656: Filippo Cavallarin

Bluetooth

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5

Impact: A remote attacker may be able to cause arbitrary code execution

Description: A memory corruption issue was addressed with improved input validation.

CVE-2018-19860

Bluetooth

Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.5, macOS High Sierra 10.13.6

Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic (Key Negotiation of Bluetooth – KNOB)

Description: An input validation issue existed in bluetooth. This issue was addressed with improved input validation.

CVE-2019-9506: Daniele Antonioli of SUTD, Singapore, Dr. Nils Ole Tippenhauer of CISPA, Germany and Prof. Kasper Rasmussen of University of Oxford, England

The changes for this issue mitigate CVE-2020-10135.

Carbon Core

Available for: macOS Mojave 10.14.5

Impact: A remote attacker may be able to cause arbitrary code execution

Description: A use after free issue was addressed with improved memory management.

CVE-2019-8661: natashenka of Google Project Zero

Core Data

Available for: macOS Mojave 10.14.5

Impact: a remote attacker may be able to leak memory

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2019-8646: natashenka of Google Project Zero

Core Data

Available for: macOS Mojave 10.14.5

Impact: A remote 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-2019-8660: Samuel Groß and natashenka of Google Project Zero

CUPS

Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.5, macOS High Sierra 10.13.6

Impact: An attacker in a privileged network position may be able to execute arbitrary code

Description: A buffer overflow issue was addressed with improved memory handling.

CVE-2019-8675: Stephan Zeisberg (github.com/stze) of Security Research Labs (srlabs.de)

CVE-2019-8696: Stephan Zeisberg (github.com/stze) of Security Research Labs (srlabs.de)

Disc Management

Available for: macOS Mojave 10.14.5

Impact: A malicious application may be able to execute arbitrary code with system privileges

Description: A memory initialisation issue was addressed with improved memory handling.

CVE-2019-8539: ccpwd working with Trend Micro's Zero Day Initiative

Disc Management

Available for: macOS Mojave 10.14.5

Impact: An application may be able to execute arbitrary code with system privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2019-8697: ccpwd working with Trend Micro’s Zero Day Initiative

FaceTime

Available for: macOS Mojave 10.14.5

Impact: A remote attacker may be able to cause arbitrary code execution

Description: A memory corruption issue was addressed with improved input validation.

CVE-2019-8648: Tao Huang and Tielei Wang of Team Pangu

Found in Apps

Available for: macOS Mojave 10.14.5

Impact: a remote attacker may be able to leak memory

Description: This issue was addressed with improved checks.

CVE-2019-8663: natashenka of Google Project Zero

Game Center

Available for: macOS Mojave 10.14.5

Impact: A local user may be able to read a persistent account identifier

Description: This issue was addressed with a new entitlement.

CVE-2019-8702: Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc.

Grapher

Available for: macOS Mojave 10.14.5

Impact: An application may be able to execute arbitrary code with system privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2019-8695: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative

Graphics Drivers

Available for: macOS Mojave 10.14.5, macOS High Sierra 10.13.6

Impact: An application may be able to read restricted memory

Description: A validation issue was addressed with improved input sanitisation.

CVE-2019-8691: Aleksandr Tarasikov (@astarasikov), Arash Tohidi of Solita, Lilang Wu and Moony Li of Trend Micro's Mobile Security Research Team working with Trend Micro's Zero Day Initiative

CVE-2019-8692: Lilang Wu and Moony Li of Trend Micro Mobile Security Research Team working with Trend Micro's Zero Day Initiative

Heimdal

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5

Impact: An issue existed in Samba that may allow attackers to perform unauthorised actions by intercepting communications between services

Description: This issue was addressed with improved checks to prevent unauthorised actions.

CVE-2018-16860: Isaac Boukris and Andrew Bartlett of the Samba Team and Catalyst

IOAcceleratorFamily

Available for: macOS Mojave 10.14.5

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-2019-8694: Arash Tohidi of Solita

libxslt

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5

Impact: A remote attacker may be able to view sensitive information

Description: A stack overflow was addressed with improved input validation.

CVE-2019-13118: found by OSS-Fuzz

Quick Look

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5

Impact: An attacker may be able to trigger a use-after-free in an application deserialising an untrusted NSDictionary

Description: This issue was addressed with improved checks.

CVE-2019-8662: natashenka and Samuel Groß of Google Project Zero

Safari

Available for: macOS Mojave 10.14.5

Impact: visiting a malicious website may lead to address bar spoofing

Description: an inconsistent user interface issue was addressed with improved state management.

CVE-2019-8670: Tsubasa FUJII (@reinforchu)

Security

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6

Impact: An application may be able to execute arbitrary code with system privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2019-8697: ccpwd working with Trend Micro’s Zero Day Initiative

sips

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6

Impact: An application may be able to execute arbitrary code with system privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2019-8701: Simon Huang (@HuangShaomang), Rong Fan (@fanrong1992) and pjf of IceSword Lab of Qihoo 360

Siri

Available for: macOS Mojave 10.14.5

Impact: a remote attacker may be able to leak memory

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2019-8646: natashenka of Google Project Zero

Time Machine

Available for: macOS Mojave 10.14.5

Impact: The encryption status of a Time Machine backup may be incorrect

Description: an inconsistent user interface issue was addressed with improved state management.

CVE-2019-8667: Roland Kletzing of cyber:con GmbH

UIFoundation

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5

Impact: Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2019-8657: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative

WebKit

Available for: macOS Mojave 10.14.5

Impact: Processing maliciously crafted web content may lead to universal cross-site scripting

Description: A logic issue existed in the handling of document loads. This issue was addressed with improved state management.

CVE-2019-8690: Sergei Glazunov of Google Project Zero

WebKit

Available for: macOS Mojave 10.14.5

Impact: Processing maliciously crafted web content may lead to universal cross-site scripting

Description: A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management.

CVE-2019-8649: Sergei Glazunov of Google Project Zero

WebKit

Available for: macOS Mojave 10.14.5

Impact: Processing maliciously crafted web content may lead to universal cross-site scripting

Description: A logic issue was addressed with improved state management.

CVE-2019-8658: akayn working with Trend Micro's Zero Day Initiative

WebKit

Available for: macOS Mojave 10.14.5

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: Multiple memory corruption issues were addressed with improved memory handling.

CVE-2019-8644: G. Geshev working with Trend Micro's Zero Day Initiative

CVE-2019-8666: Zongming Wang (王宗明) and Zhe Jin (金哲) from Chengdu Security Response Center of Qihoo 360 Technology Co. Ltd.

CVE-2019-8669: akayn working with Trend Micro's Zero Day Initiative

CVE-2019-8671: Apple

CVE-2019-8672: Samuel Groß of Google Project Zero

CVE-2019-8673: Soyeon Park and Wen Xu of SSLab at Georgia Tech

CVE-2019-8676: Soyeon Park and Wen Xu of SSLab at Georgia Tech

CVE-2019-8677: Jihui Lu of Tencent KeenLab

CVE-2019-8678: an anonymous researcher, Anthony Lai (@darkfloyd1014) of Knownsec, Ken Wong (@wwkenwong) of VXRL, Jeonghoon Shin (@singi21a) of Theori, Johnny Yu (@straight_blast) of VX Browser Exploitation Group, Chris Chan (@dr4g0nfl4me) of VX Browser Exploitation Group, Phil Mok (@shadyhamsters) of VX Browser Exploitation Group, Alan Ho (@alan_h0) of Knownsec, Byron Wai of VX Browser Exploitation

CVE-2019-8679: Jihui Lu of Tencent KeenLab

CVE-2019-8680: Jihui Lu of Tencent KeenLab

CVE-2019-8681: G. Geshev working with Trend Micro Zero Day Initiative

CVE-2019-8683: lokihardt of Google Project Zero

CVE-2019-8684: lokihardt of Google Project Zero

CVE-2019-8685: akayn, Dongzhuo Zhao working with ADLab of Venustech, Ken Wong (@wwkenwong) of VXRL, Anthony Lai (@darkfloyd1014) of VXRL, and Eric Lung (@Khlung1) of VXRL

CVE-2019-8686: G. Geshev working with Trend Micro's Zero Day Initiative

CVE-2019-8687: Apple

CVE-2019-8688: Insu Yun of SSLab at Georgia Tech

CVE-2019-8689: lokihardt of Google Project Zero

Additional recognition

Classroom

We would like to acknowledge Jeff Johnson of underpassapp.com for their assistance.

Game Center

We would like to acknowledge Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc. for their assistance.