About the security content of iOS 12.1.3

This document describes the security content of iOS 12.1.3.

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.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

iOS 12.1.3

Released January 22, 2019

AppleKeyStore

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A sandboxed process may be able to circumvent sandbox restrictions

Description: A memory corruption issue was addressed with improved validation.

CVE-2019-6235: Brandon Azad

Bluetooth

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An attacker in a privileged network position may be able to execute arbitrary code

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2019-6200: an anonymous researcher

Core Media

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to elevate privileges

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2019-6202: Fluoroacetate working with Trend Micro's Zero Day Initiative

CVE-2019-6221: Fluoroacetate working with Trend Micro's Zero Day Initiative

CoreAnimation

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to read restricted memory

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2019-6231: Zhuo Liang of Qihoo 360 Nirvan Team

CoreAnimation

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to break out of its sandbox

Description: A memory initialization issue was addressed with improved memory handling.

CVE-2019-6230: Proteas, Shrek_wzw and Zhuo Liang of Qihoo 360 Nirvan Team

FaceTime

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A remote attacker may be able to initiate a FaceTime call causing arbitrary code execution

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

CVE-2019-6224: Natalie Silvanovich of Google Project Zero

IOKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to break out of its sandbox

Description: A type confusion issue was addressed with improved memory handling.

CVE-2019-6214: Ian Beer of Google Project Zero

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to elevate privileges

Description: A memory corruption issue was addressed with improved validation.

CVE-2019-6225: Brandon Azad of Google Project Zero, Qixun Zhao of Qihoo 360 Vulcan Team

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue was addressed with improved input validation.

CVE-2019-6210: Ned Williamson of Google

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may cause unexpected changes in memory shared between processes

Description: A memory corruption issue was addressed with improved lock state checking.

CVE-2019-6205: Ian Beer of Google Project Zero

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

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

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2019-6213: Ian Beer of Google Project Zero

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to determine kernel memory layout

Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation.

CVE-2019-6209: Brandon Azad of Google Project Zero

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may cause unexpected changes in memory shared between processes

Description: A memory initialization issue was addressed with improved memory handling.

CVE-2019-6208: Jann Horn of Google Project Zero

Keyboard

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Password autofill may fill in passwords after they were manually cleared

Description: An issue existed with autofill resuming after it was canceled.  The issue was addressed with improved state management.

CVE-2019-6206: Sergey Pershenkov

libxpc

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue was addressed with improved input validation.

CVE-2019-6218: Ian Beer of Google Project Zero

Natural Language Processing

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Processing a maliciously crafted message may lead to a denial of service

Description: A denial of service issue was addressed with improved validation.

CVE-2019-6219: Authier Thomas

Safari Reader

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Processing maliciously crafted web content may lead to a cross site scripting attack

Description: A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation.

CVE-2019-6228: Ryan Pickren (ryanpickren.com)

SQLite

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A maliciously crafted SQL query may lead to arbitrary code execution

Description: Multiple memory corruption issues were addressed with improved input validation.

CVE-2018-20346: Tencent Blade Team

CVE-2018-20505: Tencent Blade Team

CVE-2018-20506: Tencent Blade Team

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

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

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2019-6227: Qixun Zhao of Qihoo 360 Vulcan Team

CVE-2019-6233: G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative

CVE-2019-6234: G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Processing maliciously crafted web content may lead to universal cross site scripting

Description: A logic issue was addressed with improved validation.

CVE-2019-6229: Ryan Pickren (ryanpickren.com)

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

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

Description: A type confusion issue was addressed with improved memory handling.

CVE-2019-6215: Lokihardt of Google Project Zero

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

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

Description: Multiple memory corruption issues were addressed with improved memory handling.

CVE-2019-6212: Mike Zhang from The Pangu team, Wen Xu of SSLab at Georgia Tech

CVE-2019-6216: Fluoroacetate working with Trend Micro's Zero Day Initiative

CVE-2019-6217: Fluoroacetate working with Trend Micro's Zero Day Initiative, Proteas, Shrek_wzw, and Zhuo Liang of Qihoo 360 Nirvan Team

CVE-2019-6226: Apple

Entry updated February 15, 2019

WebRTC

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

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

Description: A memory corruption issue was addressed with improved state management.

CVE-2019-6211: Georgi Geshev (@munmap), Fabi Beterke (@pwnfl4k3s), and Rob Miller (@trotmaster99) of MWR Labs (@mwrlabs) working with Trend Micro's Zero Day Initiative

Additional recognition

mDNSResponder

We would like to acknowledge Fatemah Alharbi of University of California, Riverside (UCR) and Taibah University (TU), Feng Qian of University of Minnesota – Twin City, Jie Chang of LinkSure Network, Nael Abu-Ghazaleh of University of California, Riverside (UCR), Yuchen Zhou of Northeastern University, Zhiyun Qian of University of California, Riverside (UCR) for their assistance.

Entry updated February 15, 2019

Safari Reader

We would like to acknowledge Ryan Pickren (ryanpickren.com) for their assistance.

WebKit

We would like to acknowledge James Lee (@Windowsrcer) of Kryptos Logic for their assistance.

Entry updated February 15, 2019

 

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