About the security content of Safari 11.1
This document describes the security content of Safari 11.1.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss or confirm security issues until an investigation has taken place and patches or releases are available. Recent releases are listed on the Apple security updates page.
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Apple security documents reference vulnerabilities by CVE-ID when possible.
Safari 11.1
Safari
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: visiting a malicious website may lead to address bar spoofing
Description: an inconsistent user interface issue was addressed with improved state management.
CVE-2018-4102: Kai Zhao of 3H security team
CVE-2018-4116: @littlelailo, xisigr of Tencent's Xuanwu Lab (tencent.com)
Safari Downloads
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: In Private Browsing, some downloads were not removed from the downloads list
Description: An information leakage issue existed in the handling of downloads in Safari Private Browsing. This issue was addressed with additional validation.
CVE-2018-4186: an anonymous researcher
Safari Login AutoFill
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: A malicious website may be able to exfiltrate autofilled data in Safari without explicit user interaction.
Description: Safari autofill did not require explicit user interaction before taking place. The issue was addressed with improved autofill heuristics.
CVE-2018-4137
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4101: Yuan Deng of Ant-financial Light-Year Security Lab
CVE-2018-4114: found by OSS-Fuzz
CVE-2018-4118: Jun Kokatsu (@shhnjk)
CVE-2018-4119: an anonymous researcher working with Trend Micro's Zero Day Initiative
CVE-2018-4120: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team
CVE-2018-4121: natashenka of Google Project Zero
CVE-2018-4122: WanderingGlitch of Trend Micro’s Zero Day Initiative
CVE-2018-4125: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4127: an anonymous researcher working with Trend Micro's Zero Day Initiative
CVE-2018-4128: Zach Markley
CVE-2018-4129: likemeng of Baidu Security Lab working with Trend Micro's Zero Day Initiative
CVE-2018-4130: Omair working with Trend Micro's Zero Day Initiative
CVE-2018-4161: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4162: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4163: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4165: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: Visiting a maliciously crafted website may lead to a cross-site scripting attack
Description: a cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation.
CVE-2018-4133: Anton Lopanitsyn of Wallarm, Linus Särud of Detectify (detectify.com), Yuji Tounai of NTT Communications Corporation
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: Unexpected interaction with indexing types causing an ASSERT failure
Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed through improved checks.
CVE-2018-4113: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to a denial of service
Description: A memory corruption issue was addressed through improved input validation.
CVE-2018-4146: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: A malicious website may exfiltrate data cross-origin
Description: A cross-origin issue existed with the fetch API. This was addressed through improved input validation.
CVE-2018-4117: an anonymous researcher, an anonymous researcher
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4207: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4208: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4209: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: Unexpected interaction with indexing types caused a failure
Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed with improved checks.
CVE-2018-4210: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4212: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4213: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 and macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4145: found by OSS-Fuzz
Additional recognition
WebKit
We would like to acknowledge Johnny Nipper of Tinder Security Team for their assistance.
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