ESB-2018.1985 - [Mac] Safari: Multiple vulnerabilities 2018-07-10

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1985
                     Safari 11.1.2 released for macOS
                               10 July 2018

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        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
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4284 CVE-2018-4279 CVE-2018-4278
                   CVE-2018-4274 CVE-2018-4273 CVE-2018-4272
                   CVE-2018-4271 CVE-2018-4270 CVE-2018-4267
                   CVE-2018-4266 CVE-2018-4265 CVE-2018-4264
                   CVE-2018-4263 CVE-2018-4262 CVE-2018-4261
                   CVE-2018-4260  

Reference:         ESB-2018.1984

Original Bulletin: 
   https://support.apple.com/en-au/HT208934

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APPLE-SA-2018-7-9-5 Safari 11.1.2

Safari 11.1.2 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 10.13.6
Impact: Visiting a malicious website may lead to address bar spoofing
Description: An inconsistent user interface issue was addressed with
improved state management.
CVE-2018-4279: Ruilin Yang, Xu Taoyu (xia0yu.win)

WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: Processing maliciously crafted web content may lead to an
unexpected Safari crash
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2018-4270: found by OSS-Fuzz

WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: A malicious website may exfiltrate audio data cross-origin
Description: Sound fetched through audio elements may be exfiltrated
cross-origin. This issue was addressed with improved audio taint
tracking.
CVE-2018-4278: Jun Kokatsu (@shhnjk)

WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2018-4284: Found by OSS-Fuzz

WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: A malicious website may be able to cause a denial of service
Description: A race condition was addressed with additional
validation.
CVE-2018-4266: found by OSS-Fuzz

WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4261: Omair working with Trend Micro's Zero Day Initiative
CVE-2018-4262: Mateusz Krzywicki working with Trend Micro's Zero Day
Initiative
CVE-2018-4263: Arayz working with Trend Micro's Zero Day Initiative
CVE-2018-4264: found by OSS-Fuzz, Yu Zhou and Jundong Xie of
Ant-financial Light-Year Security Lab
CVE-2018-4265: cc working with Trend Micro's Zero Day Initiative
CVE-2018-4267: Arayz of Pangu team working with Trend Micro's Zero
Day Initiative
CVE-2018-4272: found by OSS-Fuzz

WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: Processing maliciously crafted web content may lead to an
unexpected Safari crash
Description: Multiple memory corruption issues were addressed with
improved input validation.
CVE-2018-4271: found by OSS-Fuzz
CVE-2018-4273: found by OSS-Fuzz

WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: Visiting a malicious website may lead to address bar spoofing
Description: A spoofing issue existed in the handling of URLs. This
issue was addressed with improved input validation.
CVE-2018-4274: an anonymous researcher

WebKit Page Loading
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and
macOS High Sierra 10.13.6
Impact: Visiting a malicious website may lead to address bar spoofing
Description: An inconsistent user interface issue was addressed with
improved state management.
CVE-2018-4260: xisigr of Tencent's Xuanwu Lab (tencent.com)

Installation note:

Safari 11.1.2 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/
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