About the security content of Safari 13.1.1

This document describes the security content of Safari 13.1.1.

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Safari 13.1.1

Released May 26, 2020

Safari

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

Impact: A malicious process may cause Safari to launch an application

Description: A logic issue was addressed with improved restrictions.

CVE-2020-9801: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

WebKit

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

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

Description: A logic issue was addressed with improved restrictions.

CVE-2020-9802: Samuel Groß of Google Project Zero

WebKit

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

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

Description: A logic issue was addressed with improved restrictions.

CVE-2020-9805: an anonymous researcher

WebKit

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

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

Description: A type confusion issue was addressed with improved memory handling.

CVE-2020-9800: Brendan Draper (@6r3nd4n) working with Trend Micro Zero Day Initiative

WebKit

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

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

Description: A memory corruption issue was addressed with improved state management.

CVE-2020-9806: Wen Xu of SSLab at Georgia Tech

CVE-2020-9807: Wen Xu of SSLab at Georgia Tech

WebKit

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

Impact: A remote attacker may be able to cause arbitrary code execution

Description: A logic issue was addressed with improved restrictions.

CVE-2020-9850: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

WebKit

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

Impact: Processing maliciously crafted web content may lead to a cross site scripting attack

Description: An input validation issue was addressed with improved input validation.

CVE-2020-9843: Ryan Pickren (ryanpickren.com)

WebKit

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

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

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

CVE-2020-9803: Wen Xu of SSLab at Georgia Tech

WebRTC

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

Impact: Processing maliciously crafted web content may result in the disclosure of process memory

Description: An access issue was addressed with improved memory management.

CVE-2019-20503: natashenka of Google Project Zero

Additional recognition

WebKit

We would like to acknowledge Aidan Dunlap of UT Austin for their assistance.

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