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Users must not be able to change passwords more than once every 24 hours.


Overview

Finding ID Version Rule ID IA Controls Severity
V-1032 GEN000540 SV-39809r1_rule ECSC-1 Medium
Description
The ability to change passwords frequently facilitates users reusing the same password. This can result in users effectively never changing their passwords. This would be accomplished by users changing their passwords when required and then immediately changing it to the original value.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2019-12-31

Details

Check Text ( C-38680r1_chk )
Check the minimum time period between password changes for each user account is 1 day or greater.
# awk -F: '$4 < 1 {print $1}' /etc/shadow
If any results are returned that are not associated with a system account, this is a finding.
Fix Text (F-33968r1_fix)
Edit the /etc/default/passwd file and set the variable "MINWEEKS" to 1 or greater.
Set the per-user minimum password change times by using the following command on each user account.
# passwd -n