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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.3911
APPLE-SA-2020-11-05-1 iOS 14.2 and iPadOS 14.2
6 November 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Apple iOS 14.2
Apple iPadOS 14.2
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Root Compromise -- Unknown/Unspecified
Increased Privileges -- Existing Account
Access Privileged Data -- Unknown/Unspecified
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-27950 CVE-2020-27932 CVE-2020-27930
CVE-2020-27927 CVE-2020-27926 CVE-2020-27925
CVE-2020-27918 CVE-2020-27917 CVE-2020-27916
CVE-2020-27912 CVE-2020-27911 CVE-2020-27910
CVE-2020-27909 CVE-2020-27905 CVE-2020-27902
CVE-2020-13524 CVE-2020-10017 CVE-2020-10016
CVE-2020-10011 CVE-2020-10010 CVE-2020-10004
CVE-2020-10003 CVE-2020-10002 CVE-2020-9974
Reference: ESB-2020.3909
ESB-2020.3910
Original Bulletin:
https://support.apple.com/en-us/HT211929
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APPLE-SA-2020-11-05-1 iOS 14.2 and iPadOS 14.2
iOS 14.2 and iPadOS 14.2 are now available and address the following
issues. Information about the security content is also available at
https://support.apple.com/HT211929.
Audio
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted audio file may lead to
arbitrary code execution
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2020-27910: JunDong Xie and XingWei Lin of Ant Security Light-
Year Lab
Audio
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted audio file may lead to
arbitrary code execution
Description: An out-of-bounds write was addressed with improved input
validation.
CVE-2020-27916: JunDong Xie of Ant Security Light-Year Lab
CallKit
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A user may answer two calls simultaneously without indication
they have answered a second call
Description: An issue existed in the handling of incoming calls. The
issue was addressed with additional state checks.
CVE-2020-27925: Nick Tangri
CoreAudio
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted audio file may lead to
arbitrary code execution
Description: An out-of-bounds write was addressed with improved input
validation.
CVE-2020-10017: Francis working with Trend Micro Zero Day Initiative,
JunDong Xie of Ant Security Light-Year Lab
CoreAudio
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted audio file may lead to
arbitrary code execution
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2020-27909: Anonymous working with Trend Micro Zero Day
Initiative, JunDong Xie and XingWei Lin of Ant Security Light-Year
Lab
Crash Reporter
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A local attacker may be able to elevate their privileges
Description: An issue existed within the path validation logic for
symlinks. This issue was addressed with improved path sanitization.
CVE-2020-10003: Tim Michaud (@TimGMichaud) of Leviathan
FontParser
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted font may lead to arbitrary
code execution. Apple is aware of reports that an exploit for this
issue exists in the wild.
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2020-27930: Google Project Zero
FontParser
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2020-27927: Xingwei Lin of Ant Security Light-Year Lab
Foundation
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
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: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
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
IOAcceleratorFamily
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A malicious application may be able to execute arbitrary code
with system privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2020-27905: Mohamed Ghannam (@_simo36)
Kernel
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A malicious application may be able to disclose kernel
memory. Apple is aware of reports that an exploit for this issue
exists in the wild.
Description: A memory initialization issue was addressed.
CVE-2020-27950: Google Project Zero
Kernel
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A malicious application may be able to determine kernel
memory layout
Description: A logic issue was addressed with improved state
management.
CVE-2020-9974: Tommy Muir (@Muirey03)
Kernel
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2020-10016: Alex Helie
Kernel
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges. Apple is aware of reports that an exploit for
this issue exists in the wild.
Description: A type confusion issue was addressed with improved state
handling.
CVE-2020-27932: Google Project Zero
Keyboard
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A person with physical access to an iOS device may be able to
access stored passwords without authentication
Description: An authentication issue was addressed with improved
state management.
CVE-2020-27902: Connor Ford (@connorford2)
libxml2
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
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: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
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: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
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-2020-27926: found by OSS-Fuzz
Logging
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: A local attacker may be able to elevate their privileges
Description: A path handling issue was addressed with improved
validation.
CVE-2020-10010: Tommy Muir (@Muirey03)
Model I/O
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Opening a maliciously crafted file may lead to unexpected
application termination or arbitrary code execution
Description: A logic issue was addressed with improved state
management.
CVE-2020-10004: Aleksandar Nikolic of Cisco Talos
Model I/O
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted USD file may lead to
unexpected application termination or arbitrary code execution
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2020-13524: Aleksandar Nikolic of Cisco Talos
Model I/O
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
Impact: Processing a maliciously crafted USD file may lead to
unexpected application termination or arbitrary code execution
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2020-10011: Aleksandar Nikolic of Cisco Talos
WebKit
Available for: iPhone 6s and later, iPod touch 7th generation, iPad
Air 2 and later, and iPad mini 4 and later
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
Safari
We would like to acknowledge Gabriel Corona 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 "iOS 14.2 and iPadOS 14.2".
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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