About the security content of macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan

This document describes the security content of macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan.

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macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan

Released June 1, 2018

Accessibility Framework

Available for: macOS High Sierra 10.13.4

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

Description: An information disclosure issue existed in Accessibility Framework. This issue was addressed with improved memory management.

CVE-2018-4196: Alex Plaskett, Georgi Geshev and Fabian Beterke of MWR Labs working with Trend Micro’s Zero Day Initiative, and WanderingGlitch of Trend Micro Zero Day Initiative

Entry updated July 19, 2018

AMD

Available for: macOS High Sierra 10.13.4

Impact: A local user may be able to read kernel 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-2018-4253: shrek_wzw of Qihoo 360 Nirvan Team

AMD

Available for: macOS High Sierra 10.13.4

Impact: A local user may be able to read kernel memory

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

CVE-2018-4256: shrek_wzw of Qihoo 360 Nirvan Team

Entry added July 19, 2018

AMD

Available for: macOS High Sierra 10.13.4

Impact: A local user may be able to read kernel memory

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

CVE-2018-4255: shrek_wzw of Qihoo 360 Nirvan Team

Entry added October 18, 2018, updated December 14, 2018

AMD

Available for: macOS High Sierra 10.13.4

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

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

CVE-2018-4254: an anonymous researcher

Entry added October 18, 2018

AMD

Available for: macOS High Sierra 10.13.4

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

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

CVE-2018-4254: shrek_wzw of Qihoo 360 Nirvan Team

Entry added October 24, 2018

AppleGraphicsControl

Available for: macOS High Sierra 10.13.4

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

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2018-4258: shrek_wzw of Qihoo 360 Nirvan Team

Entry added October 18, 2018

AppleGraphicsPowerManagement

Available for: macOS High Sierra 10.13.4

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

Description: A buffer overflow was addressed with improved size validation.

CVE-2018-4257: shrek_wzw of Qihoo 360 Nirvan Team

Entry added October 18, 2018

apache_mod_php

Available for: macOS High Sierra 10.13.4

Impact: Issues in php were addressed in this update

Description: This issue was addressed by updating to php version 7.1.16.

CVE-2018-7584: Wei Lei and Liu Yang of Nanyang Technological University

ATS

Available for: macOS High Sierra 10.13.4

Impact: A malicious application may be able to elevate privileges

Description: A type confusion issue was addressed with improved memory handling.

CVE-2018-4219: Mohamed Ghannam (@_simo36)

Bluetooth

Available for: MacBook Pro (Retina, 15-inch, Mid 2015), MacBook Pro (Retina, 15-inch, 2015), MacBook Pro (Retina, 13-inch, Early 2015), MacBook Pro (15-inch, 2017), MacBook Pro (15-inch, 2016), MacBook Pro (13-inch, Late 2016, Two Thunderbolt 3 Ports), MacBook Pro (13-inch, Late 2016, Four Thunderbolt 3 Ports), MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports), MacBook (Retina, 12-inch, Early 2016), MacBook (Retina, 12-inch, Early 2015), MacBook (Retina, 12-inch, 2017), iMac Pro, iMac (Retina 5K, 27-inch, Late 2015), iMac (Retina 5K, 27-inch, 2017), iMac (Retina 4K, 21.5-inch, Late 2015), iMac (Retina 4K, 21.5-inch, 2017), iMac (21.5-inch, Late 2015), and iMac (21.5-inch, 2017)

Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic

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

CVE-2018-5383: Lior Neumann and Eli Biham

Entry added July 23, 2018

Bluetooth

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6

Impact: A malicious application may be able to determine kernel memory layout.

Description: An information disclosure issue existed in device properties. This issue was addressed with improved object management.

CVE-2018-4171: shrek_wzw of Qihoo 360 Nirvan Team

CoreGraphics

Available for: macOS High Sierra 10.13.4

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

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

CVE-2018-4194: Jihui Lu of Tencent KeenLab, Yu Zhou of Ant-financial Light-Year Security Lab

Entry added June 21, 2018

CUPS

Available for: macOS High Sierra 10.13.4

Impact: A local process may modify other processes without entitlement checks

Description: An issue existed in CUPS. This issue was addressed with improved access restrictions.

CVE-2018-4180: Dan Bastone of Gotham Digital Science

Entry added July 11, 2018

CUPS

Available for: macOS High Sierra 10.13.4

Impact: A local user may be able to read arbitrary files as root

Description: An issue existed in CUPS. This issue was addressed with improved access restrictions.

CVE-2018-4181: Eric Rafaloff and John Dunlap of Gotham Digital Science

Entry added July 11, 2018

CUPS

Available for: macOS High Sierra 10.13.4

Impact: A sandboxed process may be able to circumvent sandbox restrictions

Description: An access issue was addressed with additional sandbox restrictions on CUPS.

CVE-2018-4182: Dan Bastone of Gotham Digital Science

Entry added July 11, 2018

CUPS

Available for: macOS High Sierra 10.13.4

Impact: A sandboxed process may be able to circumvent sandbox restrictions

Description: An access issue was addressed with additional sandbox restrictions.

CVE-2018-4183: Dan Bastone and Eric Rafaloff of Gotham Digital Science

Entry added July 11, 2018

Firmware

Available for: macOS High Sierra 10.13.4

Impact: A malicious application with root privileges may be able to modify the EFI flash memory region

Description: A device configuration issue was addressed with an updated configuration.

CVE-2018-4251: Maxim Goryachy and Mark Ermolov

FontParser

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.4

Impact: Processing a maliciously crafted font file may lead to arbitrary code execution

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

CVE-2018-4211: Proteas of Qihoo 360 Nirvan Team

Grand Central Dispatch

Available for: macOS High Sierra 10.13.4

Impact: A sandboxed process may be able to circumvent sandbox restrictions

Description: An issue existed in parsing entitlement plists. This issue was addressed with improved input validation.

CVE-2018-4229: Jakob Rieck (@0xdead10cc) of the Security in Distributed Systems Group, University of Hamburg

Graphics Drivers

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.4

Impact: An application may be able to read restricted memory

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

CVE-2018-4159: Axis and pjf of IceSword Lab of Qihoo 360

Hypervisor

Available for: macOS High Sierra 10.13.4

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

Description: A memory corruption vulnerability was addressed with improved locking.

CVE-2018-4242: Zhuo Liang of Qihoo 360 Nirvan Team

Entry added October 30, 2018

iBooks

Available for: macOS High Sierra 10.13.4

Impact: An attacker in a privileged network position may be able to spoof password prompts in iBooks

Description: An input validation issue was addressed with improved input validation.

CVE-2018-4202: Jerry Decime

Identity Services

Available for: macOS High Sierra 10.13.4

Impact: A malicious application may be able to access local users AppleIDs

Description: A privacy issue in the handling of Open Directory records was addressed with improved indexing.

CVE-2018-4217: Jacob Greenfield of Commonwealth School

Entry added December 10, 2018

Intel Graphics Driver

Available for: macOS High Sierra 10.13.4

Impact: An application may be able to read restricted memory

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

CVE-2018-4141: an anonymous researcher, Zhao Qixun (@S0rryMybad) of Qihoo 360 Vulcan Team

IOFireWireAVC

Available for: macOS High Sierra 10.13.4

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

Description: A race condition was addressed with improved locking.

CVE-2018-4228: Benjamin Gnahm (@mitp0sh) of Mentor Graphics

IOGraphics

Available for: macOS High Sierra 10.13.4

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-2018-4236: Zhao Qixun(@S0rryMybad) of Qihoo 360 Vulcan Team

IOHIDFamily

Available for: macOS High Sierra 10.13.4

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-2018-4234: Proteas of Qihoo 360 Nirvan Team

Kernel

Available for: OS X El Capitan 10.11.6, macOS High Sierra 10.13.4, macOS Sierra 10.12.6

Impact: An attacker in a privileged position may be able to perform a denial of service attack

Description: A denial of service issue was addressed with improved validation.

CVE-2018-4249: Kevin Backhouse of Semmle Ltd.

Entry updated December 14, 2018

Kernel

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6

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

Description: In some circumstances, some operating systems may not expect or properly handle an Intel architecture debug exception after certain instructions. The issue appears to be from an undocumented side effect of the instructions. An attacker might utilize this exception handling to gain access to Ring 0 and access sensitive memory or control operating system processes.

CVE-2018-8897: Andy Lutomirski, Nick Peterson (linkedin.com/in/everdox) of Everdox Tech LLC

Kernel

Available for: macOS High Sierra 10.13.4

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

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2018-4241: Ian Beer of Google Project Zero

CVE-2018-4243: Ian Beer of Google Project Zero

libxpc

Available for: macOS High Sierra 10.13.4

Impact: An application may be able to gain elevated privileges

Description: A logic issue was addressed with improved validation.

CVE-2018-4237: Samuel Groß (@5aelo) working with Trend Micro’s Zero Day Initiative

libxpc

Available for: macOS High Sierra 10.13.4

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-2018-4404: Samuel Groß (@5aelo) working with Trend Micro’s Zero Day Initiative

Entry added October 30, 2018

Mail

Available for: macOS High Sierra 10.13.4

Impact: An attacker may be able to exfiltrate 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-2018-4227: Damian Poddebniak of Münster University of Applied Sciences, Christian Dresen of Münster University of Applied Sciences, Jens Müller of Ruhr University Bochum, Fabian Ising of Münster University of Applied Sciences, Sebastian Schinzel of Münster University of Applied Sciences, Simon Friedberger of KU Leuven, Juraj Somorovsky of Ruhr University Bochum, Jörg Schwenk of Ruhr University Bochum

Messages

Available for: macOS High Sierra 10.13.4

Impact: A local user may be able to conduct impersonation attacks

Description: An injection issue was addressed with improved input validation.

CVE-2018-4235: Anurodh Pokharel of Salesforce.com

Messages

Available for: macOS High Sierra 10.13.4

Impact: Processing a maliciously crafted message may lead to a denial of service

Description: This issue was addressed with improved message validation.

CVE-2018-4240: Sriram (@Sri_Hxor) of PrimeFort Pvt. Ltd

NVIDIA Graphics Drivers

Available for: macOS High Sierra 10.13.4

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

Description: A race condition was addressed with improved locking.

CVE-2018-4230: Ian Beer of Google Project Zero

Security

Available for: macOS High Sierra 10.13.4

Impact: Users may be tracked by malicious websites using client certificates

Description: An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates.

CVE-2018-4221: Damian Poddebniak of Münster University of Applied Sciences, Christian Dresen of Münster University of Applied Sciences, Jens Müller of Ruhr University Bochum, Fabian Ising of Münster University of Applied Sciences, Sebastian Schinzel of Münster University of Applied Sciences, Simon Friedberger of KU Leuven, Juraj Somorovsky of Ruhr University Bochum, Jörg Schwenk of Ruhr University Bochum

Security

Available for: macOS High Sierra 10.13.4

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

Description: An authorization issue was addressed with improved state management.

CVE-2018-4223: Abraham Masri (@cheesecakeufo)

Security

Available for: macOS High Sierra 10.13.4

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

Description: An authorization issue was addressed with improved state management.

CVE-2018-4224: Abraham Masri (@cheesecakeufo)

Security

Available for: macOS High Sierra 10.13.4

Impact: A local user may be able to modify the state of the Keychain

Description: An authorization issue was addressed with improved state management.

CVE-2018-4225: Abraham Masri (@cheesecakeufo)

Security

Available for: macOS High Sierra 10.13.4

Impact: A local user may be able to view sensitive user information

Description: An authorization issue was addressed with improved state management.

CVE-2018-4226: Abraham Masri (@cheesecakeufo)

Speech

Available for: macOS High Sierra 10.13.4

Impact: A sandboxed process may be able to circumvent sandbox restrictions

Description: A sandbox issue existed in the handling of microphone access. This issue was addressed with improved handling of microphone access.

CVE-2018-4184: Jakob Rieck (@0xdead10cc) of the Security in Distributed Systems Group, University of Hamburg

UIKit

Available for: macOS High Sierra 10.13.4

Impact: Processing a maliciously crafted text file may lead to a denial of service

Description: A validation issue existed in the handling of text. This issue was addressed with improved validation of text.

CVE-2018-4198: Hunter Byrnes

Windows Server

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.4

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-2018-4193: Markus Gaasedelen, Nick Burnett, and Patrick Biernat of Ret2 Systems, Inc working with Trend Micro’s Zero Day Initiative, Richard Zhu (fluorescence) working with Trend Micro’s Zero Day Initiative

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