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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0351 macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra 30 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: macOS Publisher: Apple Operating System: Mac OS Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Root Compromise -- Existing Account Overwrite Arbitrary Files -- Existing Account Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-3878 CVE-2020-3877 CVE-2020-3875 CVE-2020-3872 CVE-2020-3871 CVE-2020-3870 CVE-2020-3866 CVE-2020-3857 CVE-2020-3856 CVE-2020-3855 CVE-2020-3854 CVE-2020-3853 CVE-2020-3850 CVE-2020-3849 CVE-2020-3848 CVE-2020-3847 CVE-2020-3846 CVE-2020-3845 CVE-2020-3843 CVE-2020-3842 CVE-2020-3840 CVE-2020-3839 CVE-2020-3838 CVE-2020-3837 CVE-2020-3836 CVE-2020-3835 CVE-2020-3830 CVE-2020-3829 CVE-2020-3827 CVE-2020-3826 CVE-2019-18634 CVE-2019-11043 Reference: ESB-2020.0346 ESB-2019.4186 ESB-2019.4161 ESB-2019.3963 Original Bulletin: https://support.apple.com/en-us/HT210919 - --------------------------BEGIN INCLUDED TEXT-------------------- APPLE-SA-2020-1-28-2 macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra macOS Catalina 10.15.3, Security Update 2020-001 Mojave, and Security Update 2020-001 High Sierra are now available and address the following: AnnotationKit Available for: macOS Catalina 10.15.2 Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3877: an anonymous researcher working with Trend Micro's Zero Day Initiative apache_mod_php Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Multiple issues in PHP Description: Multiple issues were addressed by updating to PHP version 7.3.11. CVE-2019-11043 Audio Available for: macOS Catalina 10.15.2 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-2020-3857: Zhuo Liang of Qihoo 360 Vulcan Team autofs Available for: macOS Catalina 10.15.2 Impact: Searching for and opening a file from an attacker controlled NFS mount may bypass Gatekeeper Description: This was addressed with additional checks by Gatekeeper on files mounted through a network share. CVE-2020-3866: Jose Castro Almeida (@HackerOn2Wheels) and Rene Kroka (@rene_kroka) CoreBluetooth Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 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-2020-3848: Jianjun Dai of Qihoo 360 Alpha Lab CVE-2020-3849: Jianjun Dai of Qihoo 360 Alpha Lab CVE-2020-3850: Jianjun Dai of Qihoo 360 Alpha Lab CoreBluetooth Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3847: Jianjun Dai of Qihoo 360 Alpha Lab Crash Reporter Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to access restricted files Description: A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. CVE-2020-3835: Csaba Fitzl (@theevilbit) Image Processing Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Viewing a maliciously crafted JPEG file may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3827: Samuel Gross of Google Project Zero ImageIO Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 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-2020-3826: Samuel Gross of Google Project Zero CVE-2020-3870 CVE-2020-3878: Samuel Gross of Google Project Zero Intel Graphics Driver Available for: macOS Mojave 10.14.6, macOS Catalina 10.15.2 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-2020-3845: Zhuo Liang of Qihoo 360 Vulcan Team IOAcceleratorFamily Available for: macOS Catalina 10.15.2 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-2020-3837: Brandon Azad of Google Project Zero IPSec Available for: macOS Catalina 10.15.2 Impact: Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution Description: An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking. CVE-2020-3840: @littlelailo Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2020-3875: Brandon Azad of Google Project Zero Kernel Available for: macOS Catalina 10.15.2 Impact: An application may be able to read restricted memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2020-3872: Haakon Garseg Mork of Cognite and Cim Stordal of Cognite Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A type confusion issue was addressed with improved memory handling. CVE-2020-3853: Brandon Azad of Google Project Zero Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to determine kernel memory layout Description: An access issue was addressed with improved memory management. CVE-2020-3836: Brandon Azad of Google Project Zero Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 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-2020-3842: Ned Williamson working with Google Project Zero CVE-2020-3871: Corellium libxml2 Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 Impact: Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution Description: A buffer overflow was addressed with improved size validation. CVE-2020-3846: Ranier Vilela libxpc Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Processing a maliciously crafted string may lead to heap corruption Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3856: Ian Beer of Google Project Zero libxpc Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: An application may be able to gain elevated privileges Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-3829: Ian Beer of Google Project Zero PackageKit Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to overwrite arbitrary files Description: A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. CVE-2020-3830: Csaba Fitzl (@theevilbit) Security Available for: macOS Catalina 10.15.2 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-2020-3854: Jakob Rieck (@0xdead10cc) and Maximilian Blochberger of the Security in Distributed Systems Group of University of Hamburg sudo Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Certain configurations may allow a local attacker to execute arbitrary code Description: A buffer overflow issue was addressed with improved memory handling. CVE-2019-18634: Apple System Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 Impact: A malicious application may be able to overwrite arbitrary files Description: An access issue was addressed with improved access restrictions. CVE-2020-3855: Csaba Fitzl (@theevilbit) Wi-Fi Available for: macOS Catalina 10.15.2 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2020-3839: s0ngsari of Theori and Lee of Seoul National University working with Trend Micro's Zero Day Initiative Wi-Fi Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3843: Ian Beer of Google Project Zero wifivelocityd Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: An application may be able to execute arbitrary code with system privileges Description: The issue was addressed with improved permissions logic. CVE-2020-3838: Dayton Pidhirney (@_watbulb) Additional recognition Photos Storage We would like to acknowledge Salman Husain of UC Berkeley for their assistance. Installation note: macOS Catalina 10.15.3, Security Update 2020-001 Mojave, and Security Update 2020-001 High Sierra may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/downloads/ Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXjKW5maOgq3Tt24GAQibshAAuDKvgLTle6SUAlUjxErIA8ivPVSAPAJl moZ+6G0Ms66HjKHYZGGLVxguq3lKziuSKpLZDcQcanf6UXd00noQPcW80RlBpnoX wFG5yPBGlDGHdhpqNv0pY+e2QRk06MI6An0cBzFN44B/r1JwbJGSb4gixg4L5aHO qMi456MIdEZM910cwXs2Su3LL+qfy1q/y/Gd2Mvmy9F5CEpXczQp96aR5BDg740+ EK4JuExn31gjgqhxk7/GSPNhl2bx7bKo9CJ8kiHw0EP438D61AEhVVVQfQ0Jbgu/ Jo/4bu1JaShkwEOM9RubJTS1LPOborgPTH25VpBNaww9/o3kl/rSh9kN/sUrweVl f3+n87pfSy2WalqhC0Dxk6T0fNCNof24fEm19txFrcp1rToFokDTrcvAj9uISXpN 5xXNzAQVJcQbGZvjFU4cY4tda2zZHDPkGn3lHX46rvql6wHmOgpZ93B5kB2iT9N5 DS+eLX1d3LVsc1TBzMtvpbW3Ev2e9Q1UMgyta3tLPfVXYjG7WypMNx+lzr36mOrO OiOno6nOIlZD4q3f9QJCm7TvHyVL5G7/jWlKp6Sema747l0f1UByVJZWtGn15dqb VLC59vGFqPchKiMv7Du1gJlFHkM/XLgm7IPZxuXCP/meS3NpaL3fruG8B9oGaDmE Yk5HnW1L3NI= =GdoU -----END PGP SIGNATURE-----