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AUSCERT External Security Bulletin Redistribution
ESB-2021.1423
Apple security update for iTunes
27 April 2021
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AusCERT Security Bulletin Summary
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Product: iTunes
Publisher: Apple
Operating System: Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1857 CVE-2021-1825 CVE-2021-1811
CVE-2020-7463
Reference: ESB-2021.1408
Original Bulletin:
https://support.apple.com/HT212319
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APPLE-SA-2021-04-26-9 iTunes 12.11.3 for Windows
iTunes 12.11.3 for Windows addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT212319.
CFNetwork
Available for: Windows 10 and later
Impact: Processing maliciously crafted web content may disclose
sensitive user information
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2021-1857: an anonymous researcher
CoreText
Available for: Windows 10 and later
Impact: Processing a maliciously crafted font may result in the
disclosure of process memory
Description: A logic issue was addressed with improved state
management.
CVE-2021-1811: Xingwei Lin of Ant Security Light-Year Lab
WebKit
Available for: Windows 10 and later
Impact: Processing maliciously crafted web content may lead to a
cross site scripting attack
Description: An input validation issue was addressed with improved
input validation.
CVE-2021-1825: Alex Camboe of Aonâ\x{128}\x{153}s Cyber Solutions
WebRTC
Available for: Windows 10 and later
Impact: A remote attacker may be able to cause unexpected system
termination or corrupt kernel memory
Description: A use after free issue was addressed with improved
memory management.
CVE-2020-7463: Megan2013678
Installation note:
This update may be obtained from: https://www.apple.com/itunes/download
Additional recognition
CoreCrypto
We would like to acknowledge Andy Russon of Orange Group for their
assistance.
Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222
This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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