About the security content of Safari 11.0.2

This document describes the security content of Safari 11.0.2.

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.

Safari 11.0.2

WebKit

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.2

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

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

CVE-2017-13885: 360 Security working with Trend Micro's Zero Day Initiative

WebKit

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.2

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

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

CVE-2017-7165: 360 Security working with Trend Micro's Zero Day Initiative

WebKit

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.2

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

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

CVE-2017-13884: 360 Security working with Trend Micro's Zero Day Initiative

WebKit

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.2

Impact: Visiting a malicious website may lead to user interface spoofing

Description: Redirect responses to 401 Unauthorized may allow a malicious website to incorrectly display the lock icon on mixed content. This issue was addressed through improved URL display logic.

CVE-2017-7153: Jerry Decime

WebKit

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.2

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

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

CVE-2017-7156: Yuan Deng of Ant-financial Light-Year Security Lab

CVE-2017-7157: an anonymous researcher

CVE-2017-13856: Jeonghoon Shin

CVE-2017-13870: Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative

CVE-2017-7160: Richard Zhu (fluorescence) working with Trend Micro's Zero Day Initiative

CVE-2017-13866: Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative

WebKit Web Inspector

Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.2

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

Description: A command injection issue existed in Web Inspector. This issue was addressed through improved escaping of special characters.

CVE-2017-7161: Mitin Svyat

Additional recognition

WebKit

We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) and Abhinash Jain (@abhinashjain) researcher for their assistance.