About the security content of iCloud for Windows 10.7

This document describes the security content of iCloud for Windows 10.7.

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 10.7

CoreCrypto

Available for: Windows 10 and later via the Microsoft Store

Impact: Processing a large input may lead to a denial of service

Description: A denial of service issue was addressed with improved input validation.

CVE-2019-8741: Nicky Mouha of NIST

CoreMedia

Available for: Windows 10 and later via the Microsoft Store

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

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

CVE-2019-8825: Found by GWP-ASan in Google Chrome

Foundation

Available for: Windows 10 and later via the Microsoft Store

Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution

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

CVE-2019-8746: natashenka and Samuel Groß of Google Project Zero

libxml2

Available for: Windows 10 and later via the Microsoft Store

Impact: Multiple issues in libxml2

Description: Multiple memory corruption issues were addressed with improved input validation.

CVE-2019-8749: found by OSS-Fuzz

CVE-2019-8756: found by OSS-Fuzz

UIFoundation

Available for: Windows 10 and later via the Microsoft Store

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

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2019-8745: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative

WebKit

Available for: Windows 10 and later via the Microsoft Store

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

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

CVE-2019-8625: Sergei Glazunov of Google Project Zero

CVE-2019-8719: Sergei Glazunov of Google Project Zero

CVE-2019-8764: Sergei Glazunov of Google Project Zero

WebKit

Available for: Windows 10 and later via the Microsoft Store

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

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

CVE-2019-8707: an anonymous researcher working with Trend Micro's Zero Day Initiative, cc working with Trend Micro Zero Day Initiative

CVE-2019-8726: Jihui Lu of Tencent KeenLab

CVE-2019-8728: Junho Jang of LINE Security Team and Hanul Choi of ABLY Corporation

CVE-2019-8733: Sergei Glazunov of Google Project Zero

CVE-2019-8734: found by OSS-Fuzz

CVE-2019-8735: G. Geshev working with Trend Micro Zero Day Initiative

CVE-2019-8743: zhunki from Codesafe Team of Legendsec at Qi'anxin Group

CVE-2019-8751: Dongzhuo Zhao working with ADLab of Venustech

CVE-2019-8752: Dongzhuo Zhao working with ADLab of Venustech

CVE-2019-8763: Sergei Glazunov of Google Project Zero

CVE-2019-8765: Samuel Groß of Google Project Zero

CVE-2019-8773: found by OSS-Fuzz

WebKit

Available for: Windows 10 and later via the Microsoft Store

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

Description: A validation issue was addressed with improved logic.

CVE-2019-8762: Sergei Glazunov of Google Project Zero

Additional recognition

Software Update

We would like to acknowledge Michael Gorelik (@smgoreli) of Morphisec (morphisec.com) for their assistance.

WebKit

We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) and Zhihua Yao of DBAPPSecurity Zion Lab for their assistance.