About the security content of Safari 10.1.2

This document describes the security content of Safari 10.1.2.

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 10.1.2

Safari Printing

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

Impact: Processing maliciously crafted web content may lead to an infinite number of print dialogs

Description: An issue existed where a malicious or compromised website could show infinite print dialogs and make users believe their browser was locked. The issue was addressed through throttling of print dialogs.

CVE-2017-7060: Travis Kelley of City of Mishawaka, Indiana

WebKit

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

Impact: A malicious website may exfiltrate data cross-origin

Description: Processing maliciously crafted web content may allow cross-origin data to be exfiltrated by using SVG filters to conduct a timing side-channel attack. This issue was addressed by not painting the cross-origin buffer into the frame that gets filtered.

CVE-2017-7006: David Kohlbrenner of UC San Diego, an anonymous researcher

WebKit

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

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

Description: A state management issue was addressed with improved frame handling.

CVE-2017-7011: xisigr of Tencent's Xuanwu Lab (tencent.com)

WebKit

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

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

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

CVE-2017-7018: lokihardt of Google Project Zero

CVE-2017-7020: likemeng of Baidu Security Lab

CVE-2017-7030: chenqin of Ant-financial Light-Year Security Lab (蚂蚁金服巴斯光年安全实验室)

CVE-2017-7034: chenqin of Ant-financial Light-Year Security Lab (蚂蚁金服巴斯光年安全实验室)

CVE-2017-7037: lokihardt of Google Project Zero

CVE-2017-7039: Ivan Fratric of Google Project Zero

CVE-2017-7040: Ivan Fratric of Google Project Zero

CVE-2017-7041: Ivan Fratric of Google Project Zero

CVE-2017-7042: Ivan Fratric of Google Project Zero

CVE-2017-7043: Ivan Fratric of Google Project Zero

CVE-2017-7046: Ivan Fratric of Google Project Zero

CVE-2017-7048: Ivan Fratric of Google Project Zero

CVE-2017-7052: cc working with Trend Micro's Zero Day Initiative

CVE-2017-7055: The UK's National Cyber Security Centre (NCSC)

CVE-2017-7056: lokihardt of Google Project Zero

CVE-2017-7061: lokihardt of Google Project Zero

WebKit

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

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

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

CVE-2017-7038: Egor Karbutov (@ShikariSenpai) of Digital Security and Egor Saltykov (@ansjdnakjdnajkd) of Digital Security, Neil Jenkins of FastMail Pty Ltd

CVE-2017-7059: Masato Kinugawa and Mario Heiderich of Cure53

WebKit

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

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

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

CVE-2017-7049: Ivan Fratric of Google Project Zero

WebKit

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

Impact: An application may be able to read restricted memory

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

CVE-2017-7064: lokihardt of Google Project Zero

WebKit Page Loading

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

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

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

CVE-2017-7019: Zhiyang Zeng of Tencent Security Platform Department

WebKit Web Inspector

Available for: OS X Yosemite 10.10.5, OS X El Capitan 10.11.6, and macOS Sierra 10.12.6

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

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

CVE-2017-7012: Apple