About the security content of Safari 10.1.1

This document describes the security content of Safari 10.1.1.

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 10.1.1

JavaScriptCore

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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

Safari

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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.

Safari

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

Impact: Visiting a malicious website may lead to address bar spoofing

Description: An inconsistent user interface issue was addressed with improved state management.

CVE-2017-2500: Zhiyang Zeng and Yuyang Zhou of Tencent Security Platform Department

CVE-2017-2511: Zhiyang Zeng of Tencent Security Platform Department

WebKit

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.5

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

Safari

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