About the security content of iCloud for Windows 7.16

This document describes the security content of iCloud for Windows 7.16.

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iCloud for Windows 7.16

Released 11 December 2019

CFNetwork

Available for: Windows 7 and later

Impact: An attacker in a privileged network position may be able to bypass HSTS for a limited number of specific top-level domains not previously in the HSTS preload list

Description: A configuration issue was addressed with additional restrictions.

CVE-2019-8834: Rob Sayre (@sayrer)

Entry added 4 April 2020

CFNetwork Proxies

Available for: Windows 7 and later

Impact: An application may be able to gain elevated privileges

Description: This issue was addressed with improved checks.

CVE-2019-8848: Zhuo Liang of Qihoo 360 Vulcan Team

libexpat

Available for: Windows 7 and later

Impact: Parsing a maliciously crafted XML file may lead to disclosure of user information

Description: This issue was addressed by updating to expat version 2.2.8.

CVE-2019-15903: Joonun Jang

WebKit

Available for: Windows 7 and later

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

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

CVE-2019-8835: Anonymous working with Trend Micro's Zero Day Initiative, Mike Zhang of Pangu Team

CVE-2019-8844: William Bowling (@wcbowling)

WebKit

Available for: Windows 7 and later

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-2019-8846: Marcin Towalski of Cisco Talos

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