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AUSCERT External Security Bulletin Redistribution
ESB-2020.3910
APPLE-SA-2020-11-05-2 iOS 12.4.9
6 November 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Apple iOS 12.4.9
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Root Compromise -- Unknown/Unspecified
Access Privileged Data -- Unknown/Unspecified
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-27950 CVE-2020-27932 CVE-2020-27930
CVE-2020-27929
Reference: ESB-2020.3909
Original Bulletin:
https://support.apple.com/en-us/HT211940
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APPLE-SA-2020-11-05-2 iOS 12.4.9
iOS 12.4.9 is now available and address the following issues.
Information about the security content is also available at
https://support.apple.com/HT211940.
FaceTime
Available for: iPhone 5s, iPhone 6 and 6 Plus, iPad Air, iPad mini 2
and 3, iPod touch (6th generation)
Impact: A user may send video in Group FaceTime calls without knowing
that they have done so
Description: A logic issue existed in the handling of Group FaceTime
calls. The issue was addressed with improved state management.
CVE-2020-27929: James P (@Jam_Penn)
FontParser
Available for: iPhone 5s, iPhone 6 and 6 Plus, iPad Air, iPad mini 2
and 3, iPod touch (6th generation)
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
Kernel
Available for: iPhone 5s, iPhone 6 and 6 Plus, iPad Air, iPad mini 2
and 3, iPod touch (6th generation)
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 5s, iPhone 6 and 6 Plus, iPad Air, iPad mini 2
and 3, iPod touch (6th generation)
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
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 12.4.9".
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
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
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