About the security content of Safari 12.0.1

This document describes the security content of Safari 12.0.1.

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Safari 12.0.1

Released October 30, 2018

Safari Reader

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, and macOS Mojave 10.14

Impact: Enabling the Safari Reader feature on a maliciously crafted webpage may lead to universal cross site scripting

Description: A logic issue was addressed with improved validation.

CVE-2018-4374: Ryan Pickren (ryanpickren.com)

Safari Reader

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, and macOS Mojave 10.14

Impact: Enabling the Safari Reader feature on a maliciously crafted webpage may lead to universal cross site scripting

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

CVE-2018-4377: Ryan Pickren (ryanpickren.com)

WebKit

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, and macOS Mojave 10.14

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

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

CVE-2018-4372: HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST Softsec Lab, Korea

CVE-2018-4373: ngg, alippai, DirtYiCE, KT of Tresorit working with Trend Micro’s Zero Day Initiative

CVE-2018-4375: Yu Haiwan and Wu Hongjun From Nanyang Technological University working with Trend Micro's Zero Day Initiative

CVE-2018-4376: 010 working with Trend Micro's Zero Day Initiative

CVE-2018-4382: lokihardt of Google Project Zero

CVE-2018-4386: lokihardt of Google Project Zero

CVE-2018-4392: zhunki of 360 ESG Codesafe Team

CVE-2018-4416: lokihardt of Google Project Zero

WebKit

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, and macOS Mojave 10.14

Impact: A malicious website may be able to cause a denial of service

Description: A resource exhaustion issue was addressed with improved input validation.

CVE-2018-4409: Sabri Haddouche (@pwnsdx) of Wire Swiss GmbH

WebKit

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, and macOS Mojave 10.14

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

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

CVE-2018-4378: an anonymous researcher, zhunki of 360 ESG Codesafe Team

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