UBTU-18-010100 - The Ubuntu operating system must enforce password complexity by requiring that at least one upper-case character be used.


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.


Add or update the '/etc/security/pwquality.conf' file to contain the 'ucredit' parameter:


See Also


Item Details

References: CAT|III, CCI|CCI-000192, Rule-ID|SV-219172r610963_rule, STIG-ID|UBTU-18-010100, STIG-Legacy|SV-109675, STIG-Legacy|V-100571, Vuln-ID|V-219172

Plugin: Unix

Control ID: d5b47b6349079a2f648fc7e5d9658729cbe5895e4c09621fbcb26e7f9f2f371f