About the security content of iOS 10.3.2

This document describes the security content of iOS 10.3.2.

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.

For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.

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

iOS 10.3.2

AVEVideoEncoder

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: An application may be able to gain kernel privileges

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

CVE-2017-6989: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CVE-2017-6994: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CVE-2017-6995: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CVE-2017-6996: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CVE-2017-6997: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CVE-2017-6998: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CVE-2017-6999: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

CoreAudio

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: An application may be able to read restricted memory

Description: A validation issue was addressed with improved input sanitization.

CVE-2017-2502: Yangkang (@dnpushme) of Qihoo360 Qex Team

CoreFoundation

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: Parsing maliciously crafted data may lead to arbitrary code execution

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

CVE-2017-2522: Ian Beer of Google Project Zero

CoreText

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: Processing a maliciously crafted file may lead to application termination

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

CVE-2017-7003: Jake Davis of SPYSCAPE (@DoubleJake), João Henrique Neves and Stephen Goldberg of Salesforce

Foundation

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: Parsing maliciously crafted data may lead to arbitrary code execution

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

CVE-2017-2523: Ian Beer of Google Project Zero

iBooks

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: A maliciously crafted book may open arbitrary websites without user permission

Description: A URL handling issue was addressed through improved state management.

CVE-2017-2497: Jun Kokatsu (@shhnjk)

iBooks

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: An issue existed within the path validation logic for symlinks. This issue was addressed through improved path sanitization.

CVE-2017-6981: evi1m0 of YSRC (sec.ly.com)

IOSurface

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: An application may be able to gain kernel privileges

Description: A race condition was addressed through improved locking.

CVE-2017-6979: Adam Donenfeld (@doadam) of the Zimperium zLabs Team

JavaScriptCore

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: Processing maliciously crafted web content may lead to unexpected application termination or arbitrary code execution

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

CVE-2017-7005: lokihardt of Google Project Zero

Kernel

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: A race condition was addressed through improved locking.

CVE-2017-2501: Ian Beer of Google Project Zero

Kernel

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: An application may be able to read restricted memory

Description: A validation issue was addressed with improved input sanitization.

CVE-2017-2507: Ian Beer of Google Project Zero

CVE-2017-6987: Patrick Wardle of Synack

Notifications

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: An application may be able to cause a denial of service

Description: A denial of service issue was addressed through improved memory handling.

CVE-2017-6982: Vincent Desmurs (vincedes3), Sem Voigtlander (OxFEEDFACE), and Joseph Shenton of CoffeeBreakers

Safari

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: Visiting a maliciously crafted webpage may lead to an application denial of service

Description: An issue in Safari's history menu was addressed through improved memory handling.

CVE-2017-2495: Tubasa Iinuma (@llamakko_cafe) of Gehirn Inc.

Security

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: Update to the certificate trust policy

Description: A certificate validation issue existed in the handling of untrusted certificates. This issue was addressed through improved user handling of trust acceptance.

CVE-2017-2498: Andrew Jerman

Security

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: A local application may be able to send privileged XPC messages without entitlements

Description: A race condition was addressed with improved consistency checks.

CVE-2017-7004: Ian Beer of Google Project Zero

SQLite

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: A use after free issue was addressed through improved memory management.

CVE-2017-2513: found by OSS-Fuzz

SQLite

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

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

CVE-2017-2518: found by OSS-Fuzz

CVE-2017-2520: found by OSS-Fuzz

SQLite

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

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

CVE-2017-2519: found by OSS-Fuzz

SQLite

Available for: iPhone 5 and later, iPad 4th generation 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 input validation.

CVE-2017-6983: Chaitin Security Research Lab (@ChaitinTech) working with Trend Micro's Zero Day Initiative

CVE-2017-6991: Chaitin Security Research Lab (@ChaitinTech) working with Trend Micro's Zero Day Initiative

CVE-2017-7000: Chaitin Security Research Lab (@ChaitinTech) working with Trend Micro's Zero Day Initiative

CVE-2017-7001: Chaitin Security Research Lab (@ChaitinTech) working with Trend Micro's Zero Day Initiative

CVE-2017-7002: Chaitin Security Research Lab (@ChaitinTech) working with Trend Micro's Zero Day Initiative

TextInput

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: Parsing maliciously crafted data may lead to arbitrary code execution

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

CVE-2017-2524: Ian Beer of Google Project Zero

WebKit

Available for: iPhone 5 and later, iPad 4th generation 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-2017-2496: Apple

CVE-2017-2505: lokihardt of Google Project Zero

CVE-2017-2506: Zheng Huang of the Baidu Security Lab working with Trend Micro’s Zero Day Initiative

CVE-2017-2514: lokihardt of Google Project Zero

CVE-2017-2515: lokihardt of Google Project Zero

CVE-2017-2521: lokihardt of Google Project Zero

CVE-2017-2525: Kai Kang (4B5F5F4B) of Tencent’s Xuanwu Lab (tencent.com) working with Trend Micro’s Zero Day Initiative

CVE-2017-2526: Kai Kang (4B5F5F4B) of Tencent’s Xuanwu Lab (tencent.com) working with Trend Micro’s Zero Day Initiative

CVE-2017-2530: Wei Yuan of Baidu Security Lab, Zheng Huang of the Baidu Security Lab working with Trend Micro’s Zero Day Initiative

CVE-2017-2531: lokihardt of Google Project Zero

CVE-2017-2538: Richard Zhu (fluorescence) working with Trend Micro's Zero Day Initiative

CVE-2017-2539: Richard Zhu (fluorescence) working with Trend Micro's Zero Day Initiative

CVE-2017-2544: 360 Security (@mj0011sec) working with Trend Micro's Zero Day Initiative

CVE-2017-2547: lokihardt of Google Project Zero, Team Sniper (Keen Lab and PC Mgr) working with Trend Micro's Zero Day Initiative

CVE-2017-6980: lokihardt of Google Project Zero

CVE-2017-6984: lokihardt of Google Project Zero

WebKit

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: A logic issue existed in the handling of WebKit Editor commands. This issue was addressed with improved state management.

CVE-2017-2504: lokihardt of Google Project Zero

WebKit

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: A logic issue existed in the handling of WebKit container nodes. This issue was addressed with improved state management.

CVE-2017-2508: lokihardt of Google Project Zero

WebKit

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: A logic issue existed in the handling of pageshow events. This issue was addressed with improved state management.

CVE-2017-2510: lokihardt of Google Project Zero

WebKit

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: A logic issue existed in the handling of WebKit cached frames. This issue was addressed with improved state management.

CVE-2017-2528: lokihardt of Google Project Zero

WebKit

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

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

CVE-2017-2536: Samuel Groß and Niklas Baumstark working with Trend Micro's Zero Day Initiative

WebKit

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

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

Description: A logic issue existed in frame loading. This issue was addressed with improved state management.

CVE-2017-2549: lokihardt of Google Project Zero

WebKit Web Inspector

Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation

Impact: An application may be able to execute unsigned code

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

CVE-2017-2499: George Dan (@theninjaprawn)

Additional recognition

Kernel

We would like to acknowledge Orr A. of Aleph Research, HCL Technologies for their assistance.

Safari

We would like to acknowledge Flyin9_L (ZhenHui Lee) (@ACITSEC) for their assistance.