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UBTU-22-411030 Ubuntu 22.04 LTS must be able to enforce a 180-day maximum password lifetime restriction.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

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

Title

Ubuntu 22.04 LTS must be able to enforce a 180-day maximum password lifetime restriction.

Control

Verify Ubuntu 22.04 LTS enforces a 180-day maximum password lifetime for new user accounts by using the following command: $ grep -i pass_max_days /etc/login.defs PASS_MAX_DAYS 180 If "PASS_MAX_DAYS" is less than "180", is commented out, or is missing, this is a finding.

Discussion

Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If Ubuntu 22.04 LTS does not limit the lifetime of passwords and force users to change their passwords, there is the risk that Ubuntu 22.04 LTS passwords could be compromised.

Related controls

CCI-004066

Fix

Configure Ubuntu 22.04 LTS to enforce a 180-day maximum password lifetime. Add or modify the following line in the "/etc/login.defs" file: PASS_MAX_DAYS 180