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The operating system must prohibit password reuse for a minimum of five generations.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-58493 | AOSX-09-002090 | SV-72923r1_rule | Medium |
| Description |
|---|
| Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user to consecutively reuse their password when that password has exceeded its defined lifetime, the end result is a password that is not changed as per policy requirements. |
| STIG | Date |
|---|---|
| Apple OS X 10.9 (Mavericks) Workstation Security Technical Implementation Guide | 2017-01-05 |
Details
| Check Text ( C-59343r1_chk ) |
|---|
| To check if the password policy is configured to prevent users from reusing one of their five previously used passwords, run the following command: sudo pwpolicy getglobalpolicy | tr ' ' '\n' | grep usingHistory If the result is not 'usingHistory=5', and password policy is not controlled by a directory server, this is a finding. |
| Fix Text (F-63831r1_fix) |
|---|
| To set the password policy, run the following command: sudo pwpolicy setglobalpolicy 'usingHistory=5' |