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APPL-15-003011 The macOS system must require that passwords contain a minimum of one special character.

DISA STIG library V1R8
All changes in this version
first version loaded CAT II

Maps to IA-5(1) via CCI-004066

Title

The macOS system must require that passwords contain a minimum of one special character.

Control

Verify the macOS system is configured to require passwords contain a minimum of one special character with the following command: /usr/bin/pwpolicy -getaccountpolicies 2>/dev/null | /usr/bin/tail -n +2 | /usr/bin/xmllint --xpath "//string[contains(text(), \"policyAttributePassword matches '(.*[^a-zA-Z0-9].*){\")]" - 2>/dev/null | /usr/bin/awk -F"{|}" '{if ($2 >= 1) {print "true"} else {print "false"}}' If the result is not "true", this is a finding.

Discussion

The macOS must be configured to require that at least one special character be used when a password is created. Special characters are characters that are not alphanumeric. Examples include: ~ ! @ # $ % ^ *. This rule enforces password complexity by requiring users to set passwords that are less vulnerable to malicious users. Note: The guidance for password-based authentication in NIST 800-53 (Rev 5) and NIST 800-63B states that complexity rules must be organizationally defined. The values defined are based on common complexity values, but each organization may define its own password complexity rules.

Related controls

CCI-004066

Fix

Configure the macOS system to require that passwords contain a minimum of one special character by installing the "com.apple.mobiledevice.passwordpolicy" configuration profile.