About the security content of macOS Sierra 10.12.3
This document describes the security content of macOS Sierra 10.12.3.
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 page.
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Apple security documents reference vulnerabilities by CVE-ID when possible.
macOS Sierra 10.12.3
APNs Server
Available for: macOS Sierra 10.12.2
Impact: An attacker in a privileged network position can track a user's activity
Description: A client certificate was sent in plaintext. This issue was addressed through improved certificate handling.
CVE-2017-2383: Matthias Wachs and Quirin Scheitle of Technical University Munich (TUM)
apache_mod_php
Available for: macOS Sierra 10.12.2
Impact: Multiple issues in PHP
Description: Multiple issues were addressed by updating to PHP version 5.6.28.
CVE-2016-8670
CVE-2016-9933
CVE-2016-9934
Bluetooth
Available for: macOS Sierra 10.12.2
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed through improved memory management.
CVE-2017-2353: Ian Beer of Google Project Zero
Graphics Drivers
Available for: macOS Sierra 10.12.2
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed through improved input validation.
CVE-2017-2358: Team Pangu and lokihardt at PwnFest 2016
Help Viewer
Available for: macOS Sierra 10.12.2
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A cross-site scripting issue was addressed through improved URL validation.
CVE-2017-2361: lokihardt of Google Project Zero
IOAudioFamily
Available for: macOS Sierra 10.12.2
Impact: An application may be able to determine kernel memory layout
Description: An uninitialized memory issue was addressed through improved memory management.
CVE-2017-2357: Team Pangu and lokihardt at PwnFest 2016
Kernel
Available for: macOS Sierra 10.12.2
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A buffer overflow issue was addressed through improved memory handling.
CVE-2017-2370: Ian Beer of Google Project Zero
Kernel
Available for: macOS Sierra 10.12.2
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed through improved memory management.
CVE-2017-2360: Ian Beer of Google Project Zero
libarchive
Available for: macOS Sierra 10.12.2
Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution
Description: A buffer overflow issue was addressed through improved memory handling.
CVE-2016-8687: Agostino Sarubbo of Gentoo
Vim
Available for: macOS Sierra 10.12.2
Impact: Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code execution
Description: An input validation issue existed in modelines. This was addressed through improved input validation.
CVE-2016-1248: Florian Larysch
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