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The Red Hat Enterprise Linux operating system must be configured so that when passwords are changed or new passwords are established, the new password must contain at least one upper-case character.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-204407 | RHEL-07-010120 | SV-204407r603261_rule | Medium |
| Description |
|---|
| Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 7 Security Technical Implementation Guide | 2021-03-01 |
Details
| Check Text ( C-4531r88413_chk ) |
|---|
| Note: The value to require a number of upper-case characters to be set is expressed as a negative number in "/etc/security/pwquality.conf". Check the value for "ucredit" in "/etc/security/pwquality.conf" with the following command: # grep ucredit /etc/security/pwquality.conf ucredit = -1 If the value of "ucredit" is not set to a negative value, this is a finding. |
| Fix Text (F-4531r88414_fix) |
|---|
| Configure the operating system to enforce password complexity by requiring that at least one upper-case character be used by setting the "ucredit" option. Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value): ucredit = -1 |