Ubuntu 22.04 LTS must encrypt all stored passwords with a FIPS 140-3-approved cryptographic hashing algorithm.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-260572 | UBTU-22-611070 | SV-260572r971535_rule | Medium |
| Description |
| Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. |
| STIG | Date |
| Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide | 2025-05-16 |
Details
| Check Text (C-64301r953527_chk) |
| Verify that the shadow password suite configuration is set to encrypt passwords with a FIPS 140-3 approved cryptographic hashing algorithm by using the following command: $ grep -i '^\s*encrypt_method' /etc/login.defs ENCRYPT_METHOD SHA512 If "ENCRYPT_METHOD" does not equal SHA512 or greater, is commented out, or is missing, this is a finding. |
| Fix Text (F-64209r953528_fix) |
| Configure Ubuntu 22.04 LTS to encrypt all stored passwords. Add or modify the following line in the "/etc/login.defs" file: ENCRYPT_METHOD SHA512 |