Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2018.1657
Safari 11.1.1
4 June 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Safari
Publisher: Apple
Operating System: Mac OS
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-4247 CVE-2018-4246 CVE-2018-4233
CVE-2018-4232 CVE-2018-4222 CVE-2018-4218
CVE-2018-4214 CVE-2018-4205 CVE-2018-4201
CVE-2018-4199 CVE-2018-4192 CVE-2018-4190
CVE-2018-4188
Original Bulletin:
https://support.apple.com/en-au/HT208854
- --------------------------BEGIN INCLUDED TEXT--------------------
APPLE-SA-2018-06-01-2 Safari 11.1.1
Safari 11.1.1 is now available and addresses the following:
Safari
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: A malicious website may be able to cause a denial of service
Description: A denial of service issue was addressed with improved
validation.
CVE-2018-4247: Francois Renaud, Jesse Viviano of Verizon Enterprise
Solutions
Safari
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Visiting a malicious website may lead to address bar spoofing
Description: An inconsistent user interface issue was addressed with
improved state management.
CVE-2018-4205: xisigr of Tencent's Xuanwu Lab (tencent.com)
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Visiting a maliciously crafted website may lead to cookies
being overwritten
Description: A permissions issue existed in the handling of web
browser cookies. This issue was addressed with improved restrictions.
CVE-2018-4232: an anonymous researcher, Aymeric Chaib
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2018-4246: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A race condition was addressed with improved locking.
CVE-2018-4192: Markus Gaasedelen, Nick Burnett, and Patrick Biernat
of Ret2 Systems, Inc working with Trend Micro's Zero Day Initiative
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to an
unexpected Safari crash
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4214: found by OSS-Fuzz
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Visiting a malicious website may lead to address bar spoofing
Description: An inconsistent user interface issue was addressed with
improved state management.
CVE-2018-4188: YoKo Kho (@YoKoAcc) of Mitra Integrasi Informatika, PT
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4201: an anonymous researcher
CVE-2018-4218: Natalie Silvanovich of Google Project Zero
CVE-2018-4233: Samuel Gross (@5aelo) working with Trend Micro's Zero
Day Initiative
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A buffer overflow issue was addressed with improved
memory handling.
CVE-2018-4199: Alex Plaskett, Georgi Geshev, Fabi Beterke, and Nils
of MWR Labs working with Trend Micro's Zero Day Initiative
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Visiting a maliciously crafted website may leak sensitive
data
Description: Credentials were unexpectedly sent when fetching CSS
mask images. This was addressed by using a CORS-enabled fetch method.
CVE-2018-4190: Jun Kokatsu (@shhnjk)
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.4
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2018-4222: Natalie Silvanovich of Google Project Zero
Installation note:
Safari 11.1.1 may be obtained from the Mac App Store.
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/
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
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)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=0N/S
-----END PGP SIGNATURE-----