The SUSE operating system must be configured to create or update passwords with a minimum lifetime of 24 hours (1 day).

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The SUSE operating system must be configured to create or update passwords with a minimum lifetime of 24 hours (1 day).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-77111	SLES-12-010260	SV-91807r2_rule		Medium

Description
Enforcing a minimum password lifetime helps prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually change their password, the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse.

STIG	Date
SLES 12 Security Technical Implementation Guide	2020-01-07

Details

Check Text ( C-76721r3_chk )
Verify the SUSE operating system to create or update passwords with minimum password age of "1" day or greater. Check that the SUSE operating system enforces 24 hours/1 day as the minimum password age, run the following command: # grep PASS_MIN_DAYS /etc/login.defs PASS_MIN_DAYS 1 If "PASS_MIN_DAYS" does not have a value of "1" or greater, this is a finding.

Fix Text (F-83807r1_fix)
Configure the SUSE operating system to enforce 24 hours/1 day or greater as the minimum password age. Edit the file "/etc/login.defs" and add or correct the following line. Replace [DAYS] with the appropriate amount of days: PASS_MIN_DAYS [DAYS] The DoD requirement is "1" but a greater value is acceptable.