About the security content of Safari 13.0.3

This document describes the security content of Safari 13.0.3.

About Apple security updates

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Apple security documents reference vulnerabilities by CVE-ID when possible.

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Safari 13.0.3

Released 28 October 2019

WebKit

Available for: macOS Mojave 10.14.6 and macOS High Sierra 10.13.6, and included in macOS Catalina 10.15.1

Impact: Processing maliciously crafted web content may lead to universal cross-site scripting

Description: A logic issue was addressed with improved state management.

CVE-2019-8813: an anonymous researcher

WebKit

Available for: macOS Mojave 10.14.6 and macOS High Sierra 10.13.6, and included in macOS Catalina 10.15.1

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

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

CVE-2019-8782: Cheolung Lee of LINE+ Security Team

CVE-2019-8783: Cheolung Lee of LINE+ Graylab Security Team

CVE-2019-8808: found by OSS-Fuzz

CVE-2019-8811: Soyeon Park of SSLab at Georgia Tech

CVE-2019-8812: JunDong Xie of Ant-financial Light-Year Security Lab

CVE-2019-8814: Cheolung Lee of LINE+ Security Team

CVE-2019-8816: Soyeon Park of SSLab at Georgia Tech

CVE-2019-8819: Cheolung Lee of LINE+ Security Team

CVE-2019-8820: Samuel Groß of Google Project Zero

CVE-2019-8821: Sergei Glazunov of Google Project Zero

CVE-2019-8822: Sergei Glazunov of Google Project Zero

CVE-2019-8823: Sergei Glazunov of Google Project Zero

Entry updated 18 November 2019

WebKit

Available for: macOS Mojave 10.14.6 and macOS High Sierra 10.13.6, and included in macOS Catalina 10.15.1

Impact: Visiting a maliciously crafted website may reveal the sites a user has visited

Description: The HTTP referrer header may be used to leak browsing history. The issue was resolved by downgrading all third-party referrers to their origin.

CVE-2019-8827: Artur Janc, Krzysztof Kotowicz, Lukas Weichselbaum, and Roberto Clapis of Google Security Team

Entry added 3 February 2020

WebKit Process Model

Available for: macOS Mojave 10.14.6 and macOS High Sierra 10.13.6, and included in macOS Catalina 10.15.1

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

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

CVE-2019-8815: Apple

Additional recognition

WebKit

We would like to acknowledge Dlive of Tencent's Xuanwu Lab and Zhiyi Zhang of Codesafe Team of Legendsec at Qi'anxin Group for their assistance.

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