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GeezerVison is showing support.apple.com — About the security content of macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra - Apple Support

    About the security content of macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra

    This document describes the security content of macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High 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 Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra

    Released May 26, 2020

    Accounts

    Available for: macOS Catalina 10.15.4

    Impact: A remote attacker may be able to cause a denial of service

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

    CVE-2020-9827: Jannik Lorenz of SEEMOO @ TU Darmstadt

    Accounts

    Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6

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

    Description: A logic issue was addressed with improved restrictions.

    CVE-2020-9772: Allison Husain of UC Berkeley

    AirDrop

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: A remote attacker may be able to cause a denial of service

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

    CVE-2020-9826: Dor Hadad of Palo Alto Networks

    AppleMobileFileIntegrity

    Available for: macOS High Sierra 10.13.6, macOS Catalina 10.15.4

    Impact: A malicious application could interact with system processes to access private information and perform privileged actions

    Description: An entitlement parsing issue was addressed with improved parsing.

    CVE-2020-9842: Linus Henze (pinauten.de)

    AppleUSBNetworking

    Available for: macOS Catalina 10.15.4

    Impact: Inserting a USB device that sends invalid messages may cause a kernel panic

    Description: A logic issue was addressed with improved restrictions.

    CVE-2020-9804: Andy Davis of NCC Group

    Audio

    Available for: macOS Catalina 10.15.4

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

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

    CVE-2020-9815: Yu Zhou (@yuzhou6666) working with Trend Micro Zero Day Initiative

    Audio

    Available for: macOS Catalina 10.15.4

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

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

    CVE-2020-9791: Yu Zhou (@yuzhou6666) working with Trend Micro Zero Day Initiative

    Bluetooth

    Available for: macOS Catalina 10.15.4

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

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

    CVE-2020-9831: Yu Wang of Didi Research America

    Bluetooth

    Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6

    Impact: A local user may be able to cause unexpected system termination or read kernel memory

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

    CVE-2020-9779: Yu Wang of Didi Research America

    Entry added September 21, 2020

    Calendar

    Available for: macOS Catalina 10.15.4

    Impact: Importing a maliciously crafted calendar invitation may exfiltrate user information

    Description: This issue was addressed with improved checks.

    CVE-2020-3882: Andy Grant of NCC Group

    CoreBluetooth

    Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6

    Impact: A remote attacker may be able to leak sensitive user information

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

    CVE-2020-9828: Jianjun Dai of Qihoo 360 Alpha Lab

    CVMS

    Available for: macOS Catalina 10.15.4

    Impact: An application may be able to gain elevated privileges

    Description: This issue was addressed with improved checks.

    CVE-2020-9856: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

    DiskArbitration

    Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.4

    Impact: A malicious application may be able to break out of its sandbox

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

    CVE-2020-9847: Zhuo Liang of Qihoo 360 Vulcan Team working with 360 BugCloud (bugcloud.360.cn)

    Find My

    Available for: macOS Catalina 10.15.4

    Impact: A local attacker may be able to elevate their privileges

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

    CVE-2020-9855: Zhongcheng Li(CK01) of Topsec Alpha Team

    FontParser

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution

    Description: An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2020-9816: Peter Nguyen Vu Hoang of STAR Labs working with Trend Micro Zero Day Initiative

    ImageIO

    Available for: macOS Catalina 10.15.4

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

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

    CVE-2020-3878: Samuel Groß of Google Project Zero

    ImageIO

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

    Description: An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2020-9789: Wenchao Li of VARAS@IIE

    CVE-2020-9790: Xingwei Lin of Ant-financial Light-Year Security Lab

    Intel Graphics Driver

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

    Description: An out-of-bounds write issue was addressed with improved bounds checking.

    CVE-2020-9822: ABC Research s.r.o

    Intel Graphics Driver

    Available for: macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

    Description: A race condition was addressed with improved state handling.

    CVE-2020-9796: ABC Research s.r.o.

    Entry added July 28, 2020

    IPSec

    Available for: macOS High Sierra 10.13.6, macOS Catalina 10.15.4

    Impact: A remote attacker may be able to leak memory

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

    CVE-2020-9837: Thijs Alkemade of Computest

    Kernel

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

    Description: A memory corruption issue was addressed with improved state management.

    CVE-2020-9821: Xinru Chi and Tielei Wang of Pangu Lab

    Kernel

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: A malicious application may be able to determine another application's memory layout

    Description: An information disclosure issue was addressed by removing the vulnerable code.

    CVE-2020-9797: an anonymous researcher

    Kernel

    Available for: macOS Catalina 10.15.4

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

    Description: An integer overflow was addressed with improved input validation.

    CVE-2020-9852: Tao Huang and Tielei Wang of Pangu Lab

    Kernel

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    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-2020-9795: Zhuo Liang of Qihoo 360 Vulcan Team

    Kernel

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: An application may be able to cause unexpected system termination or write kernel memory

    Description: A memory corruption issue was addressed with improved state management.

    CVE-2020-9808: Xinru Chi and Tielei Wang of Pangu Lab

    Kernel

    Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.4

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

    Description: An information disclosure issue was addressed with improved state management.

    CVE-2020-9811: Tielei Wang of Pangu Lab

    CVE-2020-9812: derrek (@derrekr6)

    Kernel

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    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-2020-9813: Xinru Chi of Pangu Lab

    CVE-2020-9814: Xinru Chi and Tielei Wang of Pangu Lab

    Kernel

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

    Description: An information disclosure issue was addressed with improved state management.

    CVE-2020-9809: Benjamin Randazzo (@____benjamin)

    ksh

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: A local user may be able to execute arbitrary shell commands

    Description: An issue existed in the handling of environment variables. This issue was addressed with improved validation.

    CVE-2019-14868

    libxpc

    Available for: macOS Catalina 10.15.4

    Impact: A malicious application may be able to overwrite arbitrary files

    Description: A path handling issue was addressed with improved validation.

    CVE-2020-9994: Apple

    Entry added September 21, 2020

    NSURL

    Available for: macOS Mojave 10.14.6

    Impact: A malicious website may be able to exfiltrate autofilled data in Safari

    Description: An issue existed in the parsing of URLs. This issue was addressed with improved input validation.

    CVE-2020-9857: Dlive of Tencent Security Xuanwu Lab

    PackageKit

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: A malicious application may be able to gain root privileges

    Description: A permissions issue existed. This issue was addressed with improved permission validation.

    CVE-2020-9817: Andy Grant of NCC Group

    PackageKit

    Available for: macOS Catalina 10.15.4

    Impact: A malicious application may be able to modify protected parts of the file system

    Description: An access issue was addressed with improved access restrictions.

    CVE-2020-9851: an anonymous researcher, Linus Henze (pinauten.de)

    Entry updated July 15, 2020

    Python

    Available for: macOS Catalina 10.15.4

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

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

    CVE-2020-9793

    rsync

    Available for: macOS Catalina 10.15.4

    Impact: A remote attacker may be able to overwrite existing files

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

    CVE-2014-9512: gaojianfeng

    Entry added July 28, 2020

    Sandbox

    Available for: macOS Catalina 10.15.4

    Impact: A malicious application may be able to bypass Privacy preferences

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

    CVE-2020-9825: Sreejith Krishnan R (@skr0x1C0)

    Sandbox

    Available for: macOS Mojave 10.14.6

    Impact: A user may gain access to protected parts of the file system

    Description: This issue was addressed with a new entitlement.

    CVE-2020-9771: Csaba Fitzl (@theevilbit) of Offensive Security

    Security

    Available for: macOS Catalina 10.15.4

    Impact: A file may be incorrectly rendered to execute JavaScript

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

    CVE-2020-9788: Wojciech Reguła of SecuRing (wojciechregula.blog)

    Entry updated July 15, 2020

    Security

    Available for: macOS Catalina 10.15.4

    Impact: An application may be able to gain elevated privileges

    Description: A logic issue was addressed with improved validation.

    CVE-2020-9854: Ilias Morad (A2nkF)

    Entry added July 28, 2020

    SIP

    Available for: macOS Catalina 10.15.4

    Impact: A non-privileged user may be able to modify restricted network settings

    Description: A logic issue was addressed with improved restrictions.

    CVE-2020-9824: @jamestraynor, Csaba Fitzl (@theevilbit) of Offensive Security

    Entry updated June 10, 2020

    Software Update

    Available for: macOS Catalina 10.15.4

    Impact: A person with physical access to a Mac may be able to bypass Login Window

    Description: A logic issue was addressed with improved restrictions.

    CVE-2020-9810: Francis @francisschmaltz

    Entry added July 15, 2020

    SQLite

    Available for: macOS Catalina 10.15.4

    Impact: A malicious application may cause a denial of service or potentially disclose memory contents

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

    CVE-2020-9794

    System Preferences

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: An application may be able to gain elevated privileges

    Description: A race condition was addressed with improved state handling.

    CVE-2020-9839: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

    USB Audio

    Available for: macOS Catalina 10.15.4

    Impact: A USB device may be able to cause a denial of service

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

    CVE-2020-9792: Andy Davis of NCC Group

    Wi-Fi

    Available for: macOS Catalina 10.15.4

    Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory

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

    CVE-2020-9844: Ian Beer of Google Project Zero

    Wi-Fi

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    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-2020-9830: Tielei Wang of Pangu Lab

    Wi-Fi

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    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-2020-9834: Yu Wang of Didi Research America

    Wi-Fi

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

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

    CVE-2020-9833: Yu Wang of Didi Research America

    Wi-Fi

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

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

    CVE-2020-9832: Yu Wang of Didi Research America

    WindowServer

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

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

    Description: An integer overflow was addressed with improved input validation.

    CVE-2020-9841: ABC Research s.r.o. working with Trend Micro Zero Day Initiative

    zsh

    Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4

    Impact: A local attacker may be able to elevate their privileges

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

    CVE-2019-20044: Sam Foxman

    Additional recognition

    CoreBluetooth

    We would like to acknowledge Maximilian von Tschirschnitz (@maxinfosec1) of Technical University Munich and Ludwig Peuckert of Technical University Munich for their assistance.

    CoreText

    We would like to acknowledge Jiska Classen (@naehrdine) and Dennis Heinze (@ttdennis) of Secure Mobile Networking Lab for their assistance.

    Endpoint Security

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

    ImageIO

    We would like to acknowledge Lei Sun for their assistance.

    IOHIDFamily

    We would like to acknowledge Andy Davis of NCC Group for their assistance.

    IPSec

    We would like to acknowledge Thijs Alkemade of Computest for their assistance.

    Login Window

    We would like to acknowledge Jon Morby and an anonymous researcher for their assistance.

    Sandbox

    We would like to acknowledge Jason L Lang of Optum for their assistance.

    Spotlight

    We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance.

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    Published Date: November 06, 2023
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