Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3102.2 Security Update 2021-005 Catalina 21 September 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: macOS Catalina Publisher: Apple Operating System: Mac OS Impact/Access: Root Compromise -- Remote with User Interaction Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Reduced Security -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-30865 CVE-2021-30860 CVE-2021-30859 CVE-2021-30857 CVE-2021-30855 CVE-2021-30850 CVE-2021-30847 CVE-2021-30844 CVE-2021-30843 CVE-2021-30842 CVE-2021-30841 CVE-2021-30835 CVE-2021-30832 CVE-2021-30830 CVE-2021-30829 CVE-2021-30828 CVE-2021-30827 CVE-2021-30783 CVE-2021-30713 CVE-2021-22925 CVE-2020-29622 CVE-2013-0340 Reference: ESB-2021.3102 ESB-2021.3101 ESB-2021.3099 Original Bulletin: https://support.apple.com/HT212805 Revision History: September 21 2021: Vendor added additional information for APPLE-SA-2021-09-13-4 Security Update 2021-005 Catalina September 15 2021: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-09-20-8 Additional information for APPLE-SA-2021-09-13-4 Security Update 2021-005 Catalina Security Update 2021-005 Catalina addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212805. CoreGraphics Available for: macOS Catalina Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. Description: An integer overflow was addressed with improved input validation. CVE-2021-30860: The Citizen Lab CoreServices Available for: macOS Catalina Impact: A sandboxed process may be able to circumvent sandbox restrictions Description: An access issue was addressed with improved access restrictions. CVE-2021-30783: an anonymous researcher, Ron Hass (@ronhass7) of Perception Point Entry added September 20, 2021 CUPS Available for: macOS Catalina Impact: A local attacker may be able to elevate their privileges Description: A permissions issue existed. This issue was addressed with improved permission validation. CVE-2021-30827: an anonymous researcher Entry added September 20, 2021 CUPS Available for: macOS Catalina Impact: A local user may be able to read arbitrary files as root Description: This issue was addressed with improved checks. CVE-2021-30828: an anonymous researcher Entry added September 20, 2021 CUPS Available for: macOS Catalina Impact: A local user may be able to execute arbitrary files Description: A URI parsing issue was addressed with improved parsing. CVE-2021-30829: an anonymous researcher Entry added September 20, 2021 curl Available for: macOS Catalina Impact: curl could potentially reveal sensitive internal information to the server using a clear-text network protocol Description: A buffer overflow was addressed with improved input validation. CVE-2021-22925 Entry added September 20, 2021 CVMS Available for: macOS Catalina Impact: A local attacker may be able to elevate their privileges Description: A memory corruption issue was addressed with improved state management. CVE-2021-30832: Mickey Jin (@patch1t) of Trend Micro Entry added September 20, 2021 FontParser Available for: macOS Catalina Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30841: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30842: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30843: Xingwei Lin of Ant Security Light-Year Lab Entry added September 20, 2021 ImageIO Available for: macOS Catalina Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30835: Ye Zhang of Baidu Security CVE-2021-30847: Mike Zhang of Pangu Lab Entry added September 20, 2021 Kernel Available for: macOS Catalina Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30830: Zweig of Kunlun Lab Entry added September 20, 2021 Kernel Available for: macOS Catalina Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-30865: Zweig of Kunlun Lab Entry added September 20, 2021 Kernel Available for: macOS Catalina Impact: Mounting a maliciously crafted NFS network share may lead to arbitrary code execution with system privileges Description: A race condition was addressed with additional validation. CVE-2020-29622: Jordy Zomer of Certified Secure Entry added September 20, 2021 Kernel Available for: macOS Catalina Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. CVE-2021-30857: Zweig of Kunlun Lab Entry added September 20, 2021 Kernel Available for: macOS Catalina Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A type confusion issue was addressed with improved state handling. CVE-2021-30859: Apple Entry added September 20, 2021 libexpat Available for: macOS Catalina Impact: A remote attacker may be able to cause a denial of service Description: This issue was addressed by updating expat to version 2.4.1. CVE-2013-0340: an anonymous researcher Entry added September 20, 2021 Preferences Available for: macOS Catalina Impact: An 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-2021-30855: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) Entry added September 20, 2021 Sandbox Available for: macOS Catalina Impact: A user may gain access to protected parts of the file system Description: An access issue was addressed with improved access restrictions. CVE-2021-30850: an anonymous researcher Entry added September 20, 2021 SMB Available for: macOS Catalina Impact: A remote attacker may be able to leak memory Description: A logic issue was addressed with improved state management. CVE-2021-30844: Peter Nguyen Vu Hoang of STAR Labs Entry added September 20, 2021 TCC Available for: macOS Catalina Impact: A malicious application may be able to bypass Privacy preferences Description: A permissions issue was addressed with improved validation. CVE-2021-30713: an anonymous researcher Entry added September 20, 2021 Additional recognition Bluetooth We would like to acknowledge say2 of ENKI for their assistance. Entry added September 20, 2021 CoreML We would like to acknowledge hjy79425575 working with Trend Micro Zero Day Initiative for their assistance. Entry added September 20, 2021 CUPS We would like to acknowledge an anonymous researcher for their assistance. Entry added September 20, 2021 Kernel We would like to acknowledge Anthony Steinhauser of Google's Safeside project for their assistance. Entry added September 20, 2021 smbx We would like to acknowledge Zhongcheng Li (CK01) for their assistance. Entry added September 20, 2021 Installation note: This update 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 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ - -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEePiLW1MrMjw19XzoeC9qKD1prhgFAmFI888ACgkQeC9qKD1p rhhvSA/+MzMvNJUS7KUDdIBNgVfzpgGLGGy0ewyCCuLaTFGPPtVVMlgXgo0Q1ds4 NQJ47AWXUkOEPotUdaMXYXTTlNRrS/rHuhrUar8tNgXVOuTIFoa0AaGNVFLbklxz KRte/SqDIY7PdWobflBTeeROlFq0/lIys+cyI3TtWezCGaGcdFO0Ckhv76UFUUUi qnB3hjxXVCkbwbetl6EMPQiIYpOzU8KOn95T3E24buRO8CxNdwYbZOkHqYaCAYLX Fm0lPtX4VknTdwjwhMTmNrbrMmc7TPOLEUavTNv0ghslYbywX3Iwj6f2mC5ZArUB klKZwLWPl8cOJmwMADnSpQc5VR+umM0fJdxsHajJu9/eWAuVK35IFJbQcZyP0Urv N+B8V4tk9D+I1NmU+12QIAlmUnnAmnzCBa/qE+FIGCyyBQgSM6WdmwXmWvQPX9/1 q7fVqW6zZv1A7z2Qal82sRkLH1APsoRGUQlw+uttmh6rKoLpNgH4ZJ4Xhqcq/S4k DgL85EvidWgaaTIj9+mI5NmqbY0E8/rkHtjxaOY9wyjpWiw2rSO7SXLTuDIRMBlt hlBR20e5/ZqdKxxAE+U31ZI8PzJhEU4PoCL5xcciXxBOilxhUgVLGDgmZol117Sy +wX/g7wuaorhnCsOIWNBC/up76pBJlCe+nsOoWNPFdgP5qw2pZY= =QJxi - -----END PGP SIGNATURE----- - --------------------------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. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. 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 iQIVAwUBYUlhQONLKJtyKPYoAQiUow/+LtPUTt1cHB86S6E1vnU5T8lUWqjNwyiM iLujYFM42UDugGgfXtyLl8mmgQ3crbSur56LgTNQazhcXpQkOzJhockxCXweQFXo UXtuQB8uc8cRarCdTBlj+k2HgAcUOkOG9pKuOXRRHBk2kglcT7jgKeEr0XqsRZIY 4ib0Hd7uKczvotxGqMkagDiRnnbS8nULEw31lFKOyZhBtTns2VlnR6YKdpimtOdY NyC3rb5IoSDTGbMyEu+3HD9UbshGlkwxjT7lOKyqYFJ9M1xJpU2PrmU6+kzHQEfi Wd68rfiNZ5/tLB4NKOlSUzrKAtInVURu8ZneEwoT1xsfpYauk4Z/AE7tt/qsHexb ZAbwc2KKotO3sMY4zUIXmjizoRnN5s3kbrlLPKW7t93PwoqorQeKFO1GLlGxvFFn 8NX2MIT0UCI49KQUlrT6rKD5Miv/mzf4M1ZslBNJMqMi1WQfPPGeFGzBep6auBiG bWJ+GQEv+TZpxJAL7vvkeERcbdT/HbWl0EpK6ZMfKqpvLflK1EFoiGjx3mcpXS1T nFJnu+zoSrRidzhaVRg6x695w08iseVvqwWGEJ6LbuEENsgiqVW/iclVvJKoOKn/ R295Inr9wlf0RTDmL9vjsa8fw46Nd39k6QwIW75WWXNGk/fPPA01Ahol1og/D296 vhZ8NlqKA+g= =3I8d -----END PGP SIGNATURE-----