About the security content of iCloud for Windows 6.2

This document describes the security content of iCloud for Windows 6.2.

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.

For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.

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

iCloud for Windows 6.2

APNs Server

Available for: Windows 7 and later

Impact: An attacker in a privileged network position can track a user's activity

Description: A client certificate was sent in plaintext. This issue was addressed through improved certificate handling.

CVE-2017-2383: Matthias Wachs and Quirin Scheitle of Technical University Munich (TUM)

libxslt

Available for: Windows 7 and later

Impact: Multiple vulnerabilities in libxslt

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

CVE-2017-5029: Holger Fuhrmannek

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 through improved memory handling.

CVE-2017-2463: Kai Kang (4B5F5F4B) of Tencent's Xuanwu Lab (tencent.com) working with Trend Micro's Zero Day Initiative

WebKit

Available for: Windows 7 and later

Impact: Processing maliciously crafted web content may exfiltrate data cross-origin

Description: A validation issue existed in element handling. This issue was addressed through improved validation.

CVE-2017-2479: lokihardt of Google Project Zero

CVE-2017-2480: lokihardt of Google Project Zero

CVE-2017-2493: lokihardt of Google Project Zero