# About the security content of macOS Monterey 12.6.3\[2023-01/1]

## About the security content of macOS Monterey 12.6.3 <a href="#howto-title" id="howto-title"></a>

This document describes the security content of macOS Monterey 12.6.3.

### 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 12.6.3

Released January 23, 2023

### **AppleMobileFileIntegrity**

Available for: macOS Monterey

Impact: An app may be able to access user-sensitive data

Description: This issue was addressed by enabling hardened runtime.

CVE-2023-23499: Wojciech Reguła (@\_r3ggi) of SecuRing (wojciechregula.blog)

### **curl**

Available for: macOS Monterey

Impact: Multiple issues in curl

Description: Multiple issues were addressed by updating to curl version 7.86.0.

CVE-2022-42915

CVE-2022-42916

CVE-2022-32221

CVE-2022-35260

### **curl**

Available for: macOS Monterey

Impact: Multiple issues in curl

Description: Multiple issues were addressed by updating to curl version 7.85.0.

CVE-2022-35252

### **dcerpc**

Available for: macOS Monterey

Impact: Mounting a maliciously crafted Samba network share may lead to arbitrary code execution

Description: A buffer overflow issue was addressed with improved memory handling.

CVE-2023-23513: Dimitrios Tatsis and Aleksandar Nikolic of Cisco Talos

### **DiskArbitration**

Available for: macOS Monterey

Impact: An encrypted volume may be unmounted and remounted by a different user without prompting for the password

Description: A logic issue was addressed with improved state management.

CVE-2023-23493: Oliver Norpoth (@norpoth) of KLIXX GmbH (klixx.com)

### **DriverKit**

Available for: macOS Monterey

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

Description: A type confusion issue was addressed with improved checks.

CVE-2022-32915: Tommy Muir (@Muirey03)

### **Intel Graphics Driver**

Available for: macOS Monterey

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

Description: The issue was addressed with improved bounds checks.

CVE-2023-23507: an anonymous researcher

### **Kernel**

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-2023-23504: Adam Doupé of ASU SEFCOM

### **Kernel**

Available for: macOS Monterey

Impact: An app may be able to determine kernel memory layout

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

CVE-2023-23502: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd. (@starlabs\_sg)

### **PackageKit**

Available for: macOS Monterey

Impact: An app may be able to gain root privileges

Description: A logic issue was addressed with improved state management.

CVE-2023-23497: Mickey Jin (@patch1t)

### **Screen Time**

Available for: macOS Monterey

Impact: An app may be able to access information about a user’s contacts

Description: A privacy issue was addressed with improved private data redaction for log entries.

CVE-2023-23505: Wojciech Regula of SecuRing (wojciechregula.blog)

### **Weather**

Available for: macOS Monterey

Impact: An app may be able to bypass Privacy preferences

Description: The issue was addressed with improved memory handling.

CVE-2023-23511: Wojciech Regula of SecuRing (wojciechregula.blog), an anonymous researcher

### **WebKit**

Available for: macOS Monterey

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: The issue was addressed with improved memory handling.

WebKit Bugzilla: 248268\
CVE-2023-23518: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree\_segment), SeOk JEON (@\_seokjeon), YoungSung Ahn (@\_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE

WebKit Bugzilla: 248268\
CVE-2023-23517: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree\_segment), SeOk JEON (@\_seokjeon), YoungSung Ahn (@\_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE

### **Windows Installer**

Available for: macOS Monterey

Impact: An app may be able to bypass Privacy preferences

Description: The issue was addressed with improved memory handling.

CVE-2023-23508: Mickey Jin (@patch1t)

## Additional recognition

### **Kernel**

We would like to acknowledge Nick Stenning of Replicate for their assistance.

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