About the security content of macOS Catalina 10.15.5

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

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

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

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: Linus Henze (pinauten.de)

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

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 (https://wojciechregula.blog)

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: Csaba Fitzl (@theevilbit) of Offensive Security

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