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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1294
    Safari 11.1 (v. 11605.1.33.1.4, 12605.1.33.1.4, and 13605.1.33.1.4)
                               27 April 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Safari
Publisher:         Apple
Operating System:  Mac OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4204 CVE-2018-4200 

Reference:         ESB-2018.1285

Original Bulletin: 
   https://support.apple.com/en-au/HT208741

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APPLE-SA-2018-04-24-3 Safari 11.1 (v. 11605.1.33.1.4, 12605.1.33.1.4,
and 13605.1.33.1.4)

Safari 11.1 (v. 11605.1.33.1.4, 12605.1.33.1.4, and 13605.1.33.1.4)
is now available and addresses the following:

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 memory corruption issue was addressed with improved
state management.
CVE-2018-4200: Ivan Fratric of Google Project Zero

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 memory corruption issue was addressed with improved
memory handling.
CVE-2018-4204: Richard Zhu (fluorescence) working with Trend Micro's
Zero Day Initiative, found by OSS-Fuzz

Installation note:

Safari 11.1 (v. 11605.1.33.1.4, 12605.1.33.1.4, and 13605.1.33.1.4)
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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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===========================================================================
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