About the security content of macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra
This document describes the security content of macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss or confirm security issues until an investigation has taken place 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 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra
802.1X
Available for: macOS Mojave 10.14.3
Impact: An attacker in a privileged network position may be able to intercept network traffic
Description: A logic issue was addressed with improved state management.
CVE-2019-6203: Dominic White of SensePost (@singe)
802.1X
Available for: macOS High Sierra 10.13.6
Impact: An untrusted radius server certificate may be trusted
Description: A validation issue existed in Trust Anchor Management. This issue was addressed with improved validation.
CVE-2019-8531: an anonymous researcher, QA team of SecureW2
Accounts
Available for: macOS Mojave 10.14.3
Impact: Processing a maliciously crafted vcf file may lead to a denial of service
Description: A denial-of-service issue was addressed with improved validation.
CVE-2019-8538: Trevor Spiniolas (@TrevorSpiniolas)
APFS
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A logic issue existed resulting in memory corruption. This was addressed with improved state management.
CVE-2019-8534: Mac working with Trend Micro's Zero Day Initiative
AppleGraphicsControl
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A buffer overflow was addressed with improved size validation.
CVE-2019-8555: Zhiyi Zhang of 360 ESG Codesafe Team, Zhuo Liang and shrek_wzw of Qihoo 360 Nirvan Team
Bom
Available for: macOS Mojave 10.14.3
Impact: A malicious application may bypass Gatekeeper checks
Description: This issue was addressed with improved handling of file metadata.
CVE-2019-6239: Ian Moorhouse and Michael Trimm
CFString
Available for: macOS Mojave 10.14.3
Impact: Processing a maliciously crafted string may lead to a denial of service
Description: A validation issue was addressed with improved logic.
CVE-2019-8516: SWIPS Team of Frifee Inc.
configd
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to elevate privileges
Description: A memory initialisation issue was addressed with improved memory handling.
CVE-2019-8552: Mohamed Ghannam (@_simo36)
Contacts
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to elevate privileges
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2019-8511: an anonymous researcher
CoreCrypto
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to elevate privileges
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2019-8542: an anonymous researcher
DiskArbitration
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: An encrypted volume may be unmounted and remounted by a different user without prompting for the password
Description: A logic issue was addressed with improved state management.
CVE-2019-8522: Colin Meginnis (@falc420)
FaceTime
Available for: macOS Mojave 10.14.3
Impact: A user’s video may not be paused in a FaceTime call if they exit the FaceTime app while the call is ringing
Description: An issue existed in the pausing of FaceTime video. The issue was resolved with improved logic.
CVE-2019-8550: Lauren Guzniczak of Keystone Academy
FaceTime
Available for: macOS Mojave 10.14.3
Impact: A local attacker may be able to view contacts from the lock screen
Description: A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management.
CVE-2019-8777: Abdullah H. AlJaber (@aljaber) of AJ.SA
Feedback Assistant
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to gain root privileges
Description: A race condition was addressed with additional validation.
CVE-2019-8565: CodeColorist of Ant-Financial LightYear Labs
Feedback Assistant
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A malicious application may be able to overwrite arbitrary files
Description: This issue was addressed with improved checks.
CVE-2019-8521: CodeColorist of Ant-Financial LightYear Labs
file
Available for: macOS Mojave 10.14.3
Impact: Processing a maliciously crafted file might disclose user information
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2019-8906: Francisco Alonso
Graphics Drivers
Available for: macOS Mojave 10.14.3
Impact: An application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2019-8519: Aleksandr Tarasikov (@astarasikov), Juwei Lin (@panicaII) and Junzhi Lu of Trend Micro Research working with Trend Micro's Zero Day Initiative, Lilang Wu and Moony Li of Trend Micro
iAP
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to elevate privileges
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2019-8542: an anonymous researcher
IOGraphics
Available for: macOS Mojave 10.14.3
Impact: A Mac may not lock when disconnecting from an external monitor
Description: A lock handling issue was addressed with improved lock handling.
CVE-2019-8533: an anonymous researcher, James Eagan of Télécom ParisTech, R. Scott Kemp of MIT, and Romke van Dijk of Z-CERT
IOHIDFamily
Available for: macOS Mojave 10.14.3
Impact: A local user may be able to cause unexpected system termination or read kernel memory
Description: A memory corruption issue was addressed with improved state management.
CVE-2019-8545: Adam Donenfeld (@doadam) of the Zimperium zLabs Team
IOKit
Available for: , macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A local user may be able to read kernel memory
Description: A memory initialisation issue was addressed with improved memory handling.
CVE-2019-8504: an anonymous researcher
IOKit SCSI
Available for: , macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2019-8529: Juwei Lin (@panicaII) of Trend Micro Research working with Trend Micro's Zero Day Initiative
Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6
Impact: A local user may be able to read kernel memory
Description: A memory initialisation issue was addressed with improved memory handling.
CVE-2018-4448: Brandon Azad
Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A remote attacker may be able to alter network traffic data
Description: A memory corruption issue existed in the handling of IPv6 packets. This issue was addressed with improved memory management.
CVE-2019-5608: Apple
Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory
Description: A buffer overflow was addressed with improved size validation.
CVE-2019-8527: Ned Williamson of Google and derrek (@derrekr6)
Kernel
Available for: macOS Mojave 10.14.3, macOS High Sierra 10.13.6
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2019-8528: Fabiano Anemone (@anoane), Zhao Qixun (@S0rryMybad) of Qihoo 360 Vulcan Team
Kernel
Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.3
Impact: Mounting a maliciously crafted NFS network share may lead to arbitrary code execution with system privileges
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2019-8508: Dr. Silvio Cesare of InfoSect
Kernel
Available for: macOS Mojave 10.14.3
Impact: An application may be able to gain elevated privileges
Description: A logic issue was addressed with improved state management.
CVE-2019-8514: Samuel Groß of Google Project Zero
Kernel
Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.3
Impact: A malicious application may be able to determine kernel memory layout
Description: A memory initialisation issue was addressed with improved memory handling.
CVE-2019-8540: Weibo Wang (@ma1fan) of Qihoo 360 Nirvan Team
Kernel
Available for: macOS Mojave 10.14.3
Impact: A local user may be able to read kernel memory
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-7293: Ned Williamson of Google
Kernel
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
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-2019-6207: Weibo Wang of Qihoo 360 Nirvan Team (@ma1fan)
CVE-2019-8510: Stefan Esser of Antid0te UG
Kernel
Available for: macOS Mojave 10.14.3
Impact: A remote attacker may be able to leak memory
Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation.
CVE-2019-8547: derrek (@derrekr6)
Kernel
Available for: macOS Mojave 10.14.3
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved state management.
CVE-2019-8525: Zhuo Liang and shrek_wzw of Qihoo 360 Nirvan Team
libmalloc
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6
Impact: A malicious application may be able to modify protected parts of the file system
Description: A configuration issue was addressed with additional restrictions.
CVE-2018-4433: Vitaly Cheptsov
Available for: macOS Mojave 10.14.3
Impact: Processing a maliciously crafted mail message may lead to S/MIME signature spoofing
Description: An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates.
CVE-2019-8642: Maya Sigal of Freie Universität Berlin and Volker Roth of Freie Universität Berlin
Available for: macOS Mojave 10.14.3
Impact: An attacker in a privileged network position may be able to intercept the contents of S/MIME-encrypted e-mail
Description: An issue existed in the handling of encrypted Mail. This issue was addressed with improved isolation of MIME in Mail.
CVE-2019-8645: Maya Sigal of Freie Universität Berlin and Volker Roth of Freie Universität Berlin
Messages
Available for: macOS Mojave 10.14.3
Impact: A local user may be able to view sensitive user information
Description: An access issue was addressed with additional sandbox restrictions.
CVE-2019-8546: ChiYuan Chang
Modem CCL
Available for: macOS Mojave 10.14.3
Impact: An application may be able to gain elevated privileges
Description: An input validation issue was addressed with improved memory handling.
CVE-2019-8579: an anonymous researcher
Notes
Available for: macOS Mojave 10.14.3
Impact: A local user may be able to view a user’s locked notes
Description: An access issue was addressed with improved memory management.
CVE-2019-8537: Greg Walker (gregwalker.us)
PackageKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A malicious application may be able to elevate privileges
Description: A logic issue was addressed with improved validation.
CVE-2019-8561: Jaron Bradley of Crowdstrike
Perl
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: Multiple issues in Perl
Description: Multiple issues in Perl were addressed in this update.
CVE-2018-12015: Jakub Wilk
CVE-2018-18311: Jayakrishna Menon
CVE-2018-18313: Eiichi Tsukata
Power Management
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: Multiple input validation issues existed in MIG generated code. These issues were addressed with improved validation.
CVE-2019-8549: Mohamed Ghannam (@_simo36) of SSD Secure Disclosure (ssd-disclosure.com)
QuartzCore
Available for: macOS Mojave 10.14.3
Impact: Processing malicious data may lead to unexpected application termination
Description: Multiple memory corruption issues were addressed with improved input validation.
CVE-2019-8507: Kai Lu of Fortinet's FortiGuard Labs
Sandbox
Available for: macOS Mojave 10.14.3
Impact: A sandboxed process may be able to circumvent sandbox restrictions
Description: A logic issue was addressed with improved restrictions.
CVE-2019-8618: Brandon Azad
Security
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: An application may be able to gain elevated privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2019-8526: Linus Henze (pinauten.de)
Security
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A malicious application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2019-8520: Antonio Groza, The UK's National Cyber Security Centre (NCSC)
Security
Available for: macOS Mojave 10.14.3
Impact: An untrusted radius server certificate may be trusted
Description: A validation issue existed in Trust Anchor Management. This issue was addressed with improved validation.
CVE-2019-8531: an anonymous researcher, QA team of SecureW2
Security
Available for: macOS Mojave 10.14.3
Impact: An untrusted radius server certificate may be trusted
Description: A validation issue existed in Trust Anchor Management. This issue was addressed with improved validation.
CVE-2019-8531: an anonymous researcher, QA team of SecureW2
Siri
Available for: macOS Mojave 10.14.3
Impact: A malicious application may be able to initiate a Dictation request without user authorisation
Description: An API issue existed in the handling of dictation requests. This issue was addressed with improved validation.
CVE-2019-8502: Luke Deshotels of North Carolina State University, Jordan Beichler of North Carolina State University, William Enck of North Carolina State University, Costin Carabaș of University POLITEHNICA of Bucharest, and Răzvan Deaconescu of University POLITEHNICA of Bucharest
Time Machine
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: A local user may be able to execute arbitrary shell commands
Description: This issue was addressed with improved checks.
CVE-2019-8513: CodeColorist of Ant-Financial LightYear Labs
Touch Bar Support
Available for: macOS Mojave 10.14.3
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-2019-8569: Viktor Oreshkin (@stek29)
TrueTypeScaler
Available for: macOS Mojave 10.14.3
Impact: Processing a maliciously crafted font may result in the disclosure of process memory
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2019-8517: riusksk of VulWar Corp working with Trend Micro Zero Day Initiative
Wi-Fi
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3
Impact: An attacker in a privileged network position can modify driver state
Description: A logic issue was addressed with improved validation.
CVE-2019-8564: Hugues Anguelkov during an internship at Quarkslab
Wi-Fi
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6
Impact: An attacker in a privileged network position can modify driver state
Description: A logic issue was addressed with improved state management.
CVE-2019-8612: Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt
Wi-Fi
Available for: macOS Mojave 10.14.3
Impact: A device may be passively tracked by its Wi-Fi MAC address
Description: A user privacy issue was addressed by removing the broadcast MAC address.
CVE-2019-8567: David Kreitschmann and Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt
xar
Available for: macOS Mojave 10.14.3
Impact: Processing a maliciously crafted package may lead to arbitrary code execution
Description: A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks.
CVE-2019-6238: Yiğit Can YILMAZ (@yilmazcanyigit)
XPC
Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.3
Impact: A malicious application may be able to overwrite arbitrary files
Description: This issue was addressed with improved checks.
CVE-2019-8530: CodeColorist of Ant-Financial LightYear Labs
Additional recognition
Accounts
We would like to acknowledge Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt for their assistance.
Books
We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for their assistance.
Kernel
We would like to acknowledge Brandon Azad, Brandon Azad of Google Project Zero, Daniel Roethlisberger of Swisscom CSIRT, Raz Mashat (@RazMashat) of Ilan Ramon High School for their assistance.
We would like to acknowledge Craig Young of Tripwire VERT and Hanno Böck for their assistance.
Time Machine
We would like to acknowledge CodeColorist of Ant-Financial LightYear Labs for their assistance.
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