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APPLE-SA-2022-01-26-1 iOS 15.3 and iPadOS 15.3

iOS 15.3 and iPadOS 15.3 addresses the following issues. 
Information about the security content is also available at 
https://support.apple.com/HT213053.

ColorSync
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing a maliciously crafted file may lead to arbitrary
code execution
Description: A memory corruption issue was addressed with improved
validation.
CVE-2022-22584: Mickey Jin (@patch1t) of Trend Micro

Crash Reporter
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may be able to gain root privileges
Description: A logic issue was addressed with improved validation.
CVE-2022-22578: an anonymous researcher

iCloud
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to access a user's files
Description: An issue existed within the path validation logic for
symlinks. This issue was addressed with improved path sanitization.
CVE-2022-22585: Zhipeng Huo (@R3dF09) of Tencent Security Xuanwu Lab
(https://xlab.tencent.com)

IOMobileFrameBuffer
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges. Apple is aware of a report that this issue
may have been actively exploited.
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2022-22587: an anonymous researcher, Meysam Firouzi (@R00tkitSMM)
of MBition - Mercedes-Benz Innovation Lab, Siddharth Aeri
(@b1n4r1b01)

Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: A buffer overflow issue was addressed with improved
memory handling.
CVE-2022-22593: Peter Nguyễn Vũ Hoàng of STAR Labs

Model I/O
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing a maliciously crafted STL file may lead to
unexpected application termination or arbitrary code execution
Description: An information disclosure issue was addressed with
improved state management.
CVE-2022-22579: Mickey Jin (@patch1t) of Trend Micro

WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing a maliciously crafted mail message may lead to
running arbitrary javascript
Description: A validation issue was addressed with improved input
sanitization.
CVE-2022-22589: Heige of KnownSec 404 Team (knownsec.com) and Bo Qu
of Palo Alto Networks (paloaltonetworks.com)

WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
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-2022-22590: Toan Pham from Team Orca of Sea Security
(security.sea.com)

WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing maliciously crafted web content may prevent
Content Security Policy from being enforced
Description: A logic issue was addressed with improved state
management.
CVE-2022-22592: Prakash (@1lastBr3ath)

WebKit Storage
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A website may be able to track sensitive user information
Description: A cross-origin issue in the IndexDB API was addressed
with improved input validation.
CVE-2022-22594: Martin Bajanik of FingerprintJS

Additional recognition

WebKit
We would like to acknowledge Prakash (@1lastBr3ath) for their
assistance.

Installation note:

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/

iTunes and Software Update on the device will automatically check
Apple's update server on its weekly schedule. When an update is
detected, it is downloaded and the option to be installed is
presented to the user when the iOS device is docked. We recommend
applying the update immediately if possible. Selecting Don't Install
will present the option the next time you connect your iOS device.
The automatic update process may take up to a week depending on the
day that iTunes or the device checks for updates. You may manually
obtain the update via the Check for Updates button within iTunes, or
the Software Update on your device.

To check that the iPhone, iPod touch, or iPad has been updated:
* Navigate to Settings
* Select General
* Select About
* The version after applying this update will be “15.3"

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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