OL 8 must prevent the use of dictionary words for passwords.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-248711	OL08-00-020300	SV-248711r858649_rule		Medium

Description
If OL 8 allows the user to select passwords based on dictionary words, this increases the chances of password compromise by increasing the opportunity for successful guesses and brute-force attacks.

STIG	Date
Oracle Linux 8 Security Technical Implementation Guide	2022-12-06

Details

Check Text ( C-52145r833237_chk )
Verify OL 8 prevents the use of dictionary words for passwords. Determine if the field "dictcheck" is set in the "/etc/security/pwquality.conf" or "/etc/security/pwquality.conf.d/.conf" files with the following command: $ sudo grep -r dictcheck /etc/security/pwquality.conf /etc/security/pwquality.conf:dictcheck=1 If the "dictcheck" parameter is not set to "1" or is commented out, this is a finding. If conflicting results are returned, this is a finding.

Check Text ( C-52145r833237_chk )

Verify OL 8 prevents the use of dictionary words for passwords.

Determine if the field "dictcheck" is set in the "/etc/security/pwquality.conf" or "/etc/security/pwquality.conf.d/*.conf" files with the following command:

$ sudo grep -r dictcheck /etc/security/pwquality.conf*

/etc/security/pwquality.conf:dictcheck=1

If the "dictcheck" parameter is not set to "1" or is commented out, this is a finding.
If conflicting results are returned, this is a finding.

Fix Text (F-52099r858648_fix)
Configure OL 8 to prevent the use of dictionary words for passwords. Add or update the following line in the "/etc/security/pwquality.conf" file or a configuration file in the "/etc/security/pwquality.conf.d/" directory: dictcheck=1 Remove any configurations that conflict with the above value.