About the security content of iCloud for Windows 11.5
This document describes the security content of iCloud for Windows 11.5.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss or confirm security issues until an investigation has taken place 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 11.5
CoreText
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 memory corruption issue was addressed with improved state management.
CVE-2020-9999: Apple
Foundation
Available for: Windows 10 and later via the Microsoft Store
Impact: a local user may be able to read arbitrary files
Description: a logic issue was addressed with improved state management.
CVE-2020-10002: James Hutchins
ImageIO
Available for: Windows 10 and later via the Microsoft Store
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-2020-9961: Xingwei Lin of Ant Security Light-Year Lab
ImageIO
Available for: Windows 10 and later via the Microsoft Store
Impact: processing a maliciously crafted image may lead to arbitrary code execution
Description: an out-of-bounds write was addressed with improved input validation.
CVE-2020-27912: Xingwei Lin of Ant Security Light-Year Lab
ImageIO
Available for: Windows 10 and later via the Microsoft Store
Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution
Description: an out-of-bounds write issue was addressed with improved bounds checking.
CVE-2020-9876: Mickey Jin of Trend Micro
libxml2
Available for: Windows 10 and later via the Microsoft Store
Impact: processing maliciously crafted web content may lead to code execution
Description: a use after free issue was addressed with improved memory management.
CVE-2020-27917: found by OSS-Fuzz
libxml2
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 integer overflow was addressed through improved input validation.
CVE-2020-27911: found by OSS-Fuzz
libxml2
Available for: Windows 10 and later via the Microsoft Store
Impact: processing a maliciously crafted file may lead to arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2020-9981: found by OSS-Fuzz
SQLite
Available for: Windows 10 and later via the Microsoft Store
Impact: a remote attacker may be able to cause a denial of service
Description: this issue was addressed with improved checks.
CVE-2020-13434
CVE-2020-13435
SQLite
Available for: Windows 10 and later via the Microsoft Store
Impact: A remote attacker may be able to cause arbitrary code execution
Description: A memory corruption issue was addressed with improved state management.
CVE-2020-13630
SQLite
Available for: Windows 10 and later via the Microsoft Store
Impact: a remote attacker may be able to leak memory
Description: an information disclosure issue was addressed with improved state management.
CVE-2020-9849
SQLite
Available for: Windows 10 and later via the Microsoft Store
Impact: a maliciously crafted SQL query may lead to data corruption
Description: This issue was addressed with improved checks.
CVE-2020-13631
WebKit
Available for:
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-2020-9951: Marcin 'Icewall' Noga of Cisco Talos
CVE-2020-27918: an anonymous researcher
WebKit
Available for: Windows 10 and later via the Microsoft Store
Impact: Processing maliciously crafted web content may lead to code execution
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2020-9983: zhunki
WebKit
Available for: Windows 10 and later via the Microsoft Store
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-2020-27918: an anonymous researcher
CVE-2020-9947: cc working with Trend Micro Zero Day Initiative
CVE-2020-9951: Marcin 'Icewall' Noga of Cisco Talos
Additional recognition
Safari
We would like to acknowledge Ryan Pickren (ryanpickren.com) for their assistance.
WebKit
We would like to acknowledge Pawel Wylecial of REDTEAM.PL, Ryan Pickren (ryanpickren.com), Tsubasa FUJII (@reinforchu), Zhiyang Zeng(@Wester) of OPPO ZIWU Security Lab for their assistance.
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