About the security content of iCloud for Windows 7.19

This document describes the security content of iCloud for Windows 7.19.

About Apple security updates

For our customers' protection, Apple doesn't 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.

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

For more information about security, see the Apple Product Security page.

iCloud for Windows 7.19

ImageIO

Available for: Windows 7 and later

Impact: Processing a maliciously crafted image may lead to arbitrary code execution

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2020-9789: Wenchao Li of VARAS@IIE

CVE-2020-9790: Xingwei Lin of Ant-financial Light-Year Security Lab

ImageIO

Available for: Windows 7 and later

Impact: Processing a maliciously crafted image may lead to arbitrary code execution

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2020-3878: Samuel Groß of Google Project Zero

SQLite

Available for: Windows 7 and later

Impact: A malicious application may cause a denial of service or potentially disclose memory contents

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2020-9794

WebKit

Available for: Windows 7 and later

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: Windows 7 and later

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: Windows 7 and later

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: Windows 7 and later

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: Windows 7 and later

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: Windows 7 and later

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: Windows 7 and later

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

Additional recognition

ImageIO

We would like to acknowledge Lei Sun for their assistance.

WebKit

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