# About the security content of macOS Monterey 12.6.4\[2023-03/1] ## About the security content of macOS Monterey 12.6.4 This document describes the security content of macOS Monterey 12.6.4. ### 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](https://support.apple.com/kb/HT201222) page. Apple security documents reference vulnerabilities by [CVE-ID](http://cve.mitre.org/about/) when possible. For more information about security, see the [Apple Product Security](https://support.apple.com/kb/HT201220) page. ## macOS Monterey 12.6.4 Released March 27, 2023 ### **Apple Neural Engine** Available for: macOS Monterey Impact: An app may be able to execute arbitrary code with kernel privileges Description: The issue was addressed with improved memory handling. CVE-2023-23540: Mohamed GHANNAM (@\_simo36) ### **AppleMobileFileIntegrity** Available for: macOS Monterey Impact: A user may gain access to protected parts of the file system Description: The issue was addressed with improved checks. CVE-2023-23527: Mickey Jin (@patch1t) ### **Archive Utility** Available for: macOS Monterey Impact: An archive may be able to bypass Gatekeeper Description: The issue was addressed with improved checks. CVE-2023-27951: Brandon Dalton of Red Canary and Csaba Fitzl (@theevilbit) of Offensive Security ### **Calendar** Available for: macOS Monterey Impact: Importing a maliciously crafted calendar invitation may exfiltrate user information Description: Multiple validation issues were addressed with improved input sanitization. CVE-2023-27961: Rıza Sabuncu (@rizasabuncu) ### **ColorSync** Available for: macOS Monterey Impact: An app may be able to read arbitrary files Description: The issue was addressed with improved checks. CVE-2023-27955: JeongOhKyea ### **CommCenter** Available for: macOS Monterey Impact: An app may be able to cause unexpected system termination or write kernel memory Description: An out-of-bounds write issue was addressed with improved input validation. CVE-2023-27936: Tingting Yin of Tsinghua University ### **dcerpc** Available for: macOS Monterey Impact: A remote user may be able to cause unexpected app termination or arbitrary code execution Description: The issue was addressed with improved bounds checks. CVE-2023-27935: Aleksandar Nikolic of Cisco Talos ### **dcerpc** Available for: macOS Monterey Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory Description: The issue was addressed with improved memory handling. CVE-2023-27953: Aleksandar Nikolic of Cisco Talos CVE-2023-27958: Aleksandar Nikolic of Cisco Talos ### **Foundation** Available for: macOS Monterey Impact: Parsing a maliciously crafted plist may lead to an unexpected app termination or arbitrary code execution Description: An integer overflow was addressed with improved input validation. CVE-2023-27937: an anonymous researcher ### **ImageIO** Available for: macOS Monterey Impact: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2023-27946: Mickey Jin (@patch1t) ### **Kernel** Available for: macOS Monterey Impact: An app may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2023-23514: Xinru Chi of Pangu Lab and Ned Williamson of Google Project Zero ### **Kernel** Available for: macOS Monterey Impact: An app with root privileges may be able to execute arbitrary code with kernel privileges Description: The issue was addressed with improved memory handling. CVE-2023-27933: sqrtpwn ### **Kernel** Available for: macOS Monterey Impact: An app may be able to disclose kernel memory Description: A validation issue was addressed with improved input sanitization. CVE-2023-28200: Arsenii Kostromin (0x3c3e) ### **Model I/O** Available for: macOS Monterey Impact: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2023-27949: Mickey Jin (@patch1t) ### **NetworkExtension** Available for: macOS Monterey Impact: A user in a privileged network position may be able to spoof a VPN server that is configured with EAP-only authentication on a device Description: The issue was addressed with improved authentication. CVE-2023-28182: Zhuowei Zhang ### **PackageKit** Available for: macOS Monterey Impact: An app may be able to modify protected parts of the file system Description: A logic issue was addressed with improved checks. CVE-2023-23538: Mickey Jin (@patch1t) CVE-2023-27962: Mickey Jin (@patch1t) ### **Podcasts** Available for: macOS Monterey Impact: An app may be able to access user-sensitive data Description: The issue was addressed with improved checks. CVE-2023-27942: Mickey Jin (@patch1t) ### **Sandbox** Available for: macOS Monterey Impact: An app may be able to modify protected parts of the file system Description: A logic issue was addressed with improved checks. CVE-2023-23533: Mickey Jin (@patch1t), Koh M. Nakagawa of FFRI Security, Inc., and Csaba Fitzl (@theevilbit) of Offensive Security ### **Sandbox** Available for: macOS Monterey Impact: An app may be able to bypass Privacy preferences Description: A logic issue was addressed with improved validation. CVE-2023-28178: Yiğit Can YILMAZ (@yilmazcanyigit) ### **Shortcuts** Available for: macOS Monterey Impact: A shortcut may be able to use sensitive data with certain actions without prompting the user Description: The issue was addressed with additional permissions checks. CVE-2023-27963: Jubaer Alnazi Jabin of TRS Group Of Companies and Wenchao Li and Xiaolong Bai of Alibaba Group ### **System Settings** Available for: macOS Monterey Impact: An app may be able to access user-sensitive data Description: A privacy issue was addressed with improved private data redaction for log entries. CVE-2023-23542: an anonymous researcher ### **System Settings** Available for: macOS Monterey Impact: An app may be able to read sensitive location information Description: A permissions issue was addressed with improved validation. CVE-2023-28192: Guilherme Rambo of Best Buddy Apps (rambo.codes) ### **Vim** Available for: macOS Monterey Impact: Multiple issues in Vim Description: Multiple issues were addressed by updating to Vim version 9.0.1191. CVE-2023-0433 CVE-2023-0512 ### **XPC** Available for: macOS Monterey Impact: An app may be able to break out of its sandbox Description: This issue was addressed with a new entitlement. CVE-2023-27944: Mickey Jin (@patch1t) ## Additional recognition ### **Activation Lock** We would like to acknowledge Christian Mina for their assistance. ### **AppleMobileFileIntegrity** We would like to acknowledge Wojciech Reguła (@\_r3ggi) of SecuRing (wojciechregula.blog) for their assistance. ### **CoreServices** We would like to acknowledge Mickey Jin (@patch1t) for their assistance. ### **NSOpenPanel** We would like to acknowledge Alexandre Colucci (@timacfr) for their assistance. ### **Wi-Fi** We would like to acknowledge an anonymous researcher for their assistance. {% hint style="danger" %} Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. 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