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APPLE-SA-2017-11-29-1 Security Update 2017-001

Security Update 2017-001 is now available and addresses the
following:

Directory Utility
Available for: macOS High Sierra 10.13.1
Not impacted: macOS Sierra 10.12.6 and earlier
Impact: An attacker may be able to bypass administrator
authentication without supplying the administratoras password
Description: A logic error existed in the validation  of credentials.
This was addressed with improved credential validation.
CVE-2017-13872

When you install Security Update 2017-001 on your Mac, the build
number of macOS will be 17B1002. Learn how to find the macOS version
and build number on your Mac at https://support.apple.com/HT201260.

If you require the root user account on your Mac, see
https://support.apple.com/HT204012 for information on how to enable
the root user and change the root user's password.

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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