This document describes the security content of Safari 12.
For our customersβ protection, Apple doesnβt 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.
Released September 17, 2018
Safari
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: A malicious website may be able to exfiltrate autofilled data in Safari
Description: A logic issue was addressed with improved state management.
CVE-2018-4307: Rafay Baloch of Pakistan Telecommunications Authority
Entry updated September 24, 2018
Safari
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: A user may be unable to delete browsing history items
Description: Clearing a history item may not clear visits with redirect chains. The issue was addressed with improved data deletion.
CVE-2018-4329: Hugo S. Diaz (coldpointblue)
Entry updated September 24, 2018
Safari
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: Visiting a malicious website by clicking a link may lead to user interface spoofing
Description: An inconsistent user interface issue was addressed with improved state management.
CVE-2018-4195: xisigr of Tencentβs Xuanwu Lab (www.tencent.com)
Entry updated September 24, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: A malicious website may cause unexepected cross-origin behavior
Description: A cross-origin issue existed with iframe elements. This was addressed with improved tracking of security origins.
CVE-2018-4319: John Pettitt of Google
Entry added September 24, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: Unexpected interaction causes an ASSERT failure
Description: A memory corruption issue was addressed with improved validation.
CVE-2018-4191: found by OSS-Fuzz
Entry added September 24, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: A malicious website may be able to execute scripts in the context of another website
Description: A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation.
CVE-2018-4309: an anonymous researcher working with Trend Microβs Zero Day Initiative
Entry added September 24, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, 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-2018-4299: Samuel GroΞ² (saelo) working with Trend Microβs Zero Day Initiative
CVE-2018-4323: Ivan Fratric of Google Project Zero
CVE-2018-4328: Ivan Fratric of Google Project Zero
CVE-2018-4358: @phoenhex team (@bkth_ @5aelo @_niklasb) working with Trend Microβs Zero Day Initiative
CVE-2018-4359: Samuel GroΓ (@5aelo)
CVE-2018-4360: William Bowling (@wcbowling)
Entry added September 24, 2018, updated October 24, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: Cross-origin SecurityErrors includes the accessed frameβs origin
Description: The issue was addressed by removing origin information.
CVE-2018-4311: Erling Alf Ellingsen (@steike)
Entry added September 24, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: A malicious website may exfiltrate image data cross-origin
Description: A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation.
CVE-2018-4345: Jun Kokatsu (@shhnjk)
Entry added September 24, 2018, updated December 18, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: Unexpected interaction causes an ASSERT failure
Description: A memory consumption issue was addressed with improved memory handling.
CVE-2018-4361: found by OSS-Fuzz
CVE-2018-4474: found by OSS-Fuzz
Entry added September 24, 2018, updated January 22, 2019
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2018-4312: Ivan Fratric of Google Project Zero
CVE-2018-4315: Ivan Fratric of Google Project Zero
CVE-2018-4197: Ivan Fratric of Google Project Zero
CVE-2018-4314: Ivan Fratric of Google Project Zero
CVE-2018-4318: Ivan Fratric of Google Project Zero
CVE-2018-4306: Ivan Fratric of Google Project Zero
CVE-2018-4317: Ivan Fratric of Google Project Zero
Entry added September 24, 2018
WebKit
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved state management.
CVE-2018-4316: crixer, Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team
Entry added September 24, 2018
WebKit
We would like to acknowledge Cary Hartline, Hanming Zhang from 360 Vuclan team, Tencent Keen Security Lab working with Trend Microβs Zero Day Initiative, and Zach Malone of CA Technologies for their assistance.
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Published Date: January 23, 2019