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                             CERT-Renater

                 Note d'Information No. 2020/VULN654
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DATE                : 04/12/2020

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Windows running APPLE iCloud versions prior to
                                      11.5.

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https://support.apple.com/en-us/HT211935
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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 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 11.5

Released December 2, 2020


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.


Information about products not manufactured by Apple, or independent
websites not controlled or tested by Apple, is provided without
recommendation or endorsement. Apple assumes no responsibility with
regard to the selection, performance, or use of third-party websites or
products. Apple makes no representations regarding third-party website
accuracy or reliability. Contact the vendor for additional information.


Published Date: December 02, 2020


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