MacOS 10.13 root Authentication Bypass (Security Update 2017-001)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote host is running a version of MacOS that is affected by
a root authentication bypass vulnerability.

Description :

The remote host is running a version of MacOS 10.13 or 10.13.1 that
is missing a security update. It is, therefore, affected by a root
authentication bypass vulnerability. A local attacker or a remote
attacker with credentials for a standard user account has the ability
to blank out the root account password. This can allow an attacker to
escalate privileges to root and execute commands and read files as a
system administrator.

See also :

http://www.nessus.org/u?2cf4b55a
http://www.nessus.org/u?9ff9ff45
http://www.nessus.org/u?1e5890f3
http://www.nessus.org/u?f367aab4
http://www.nessus.org/u?f9f9bbc3
https://support.apple.com/en-us/HT208315

Solution :

Install Security Update 2017-001 or later. Alternatively, enable the
root account and set a strong root account password.

Risk factor :

High / CVSS Base Score : 9.0
(CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: MacOS X Local Security Checks

Nessus Plugin ID: 104814 ()

Bugtraq ID: 101981

CVE ID: CVE-2017-13872

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