STIGQter STIGQter: STIG Summary: Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 10 Mar 2021:

The Ubuntu operating system must enforce password complexity by requiring that at least one numeric character be used.

DISA Rule

SV-238223r653844_rule

Vulnerability Number

V-238223

Group Title

SRG-OS-000071-GPOS-00039

Rule Version

UBTU-20-010052

Severity

CAT III

CCI(s)

Weight

10

Fix Recommendation

Configure the Ubuntu operating system to enforce password complexity by requiring that at least one numeric character be used.

Add or update the "/etc/security/pwquality.conf" file to contain the "dcredit" parameter:

dcredit=-1

Check Contents

Verify the Ubuntu operating system enforces password complexity by requiring that at least one numeric character be used.

Determine if the field "dcredit" is set in the "/etc/security/pwquality.conf" file with the following command:

$ grep -i "dcredit" /etc/security/pwquality.conf
dcredit=-1

If the "dcredit" parameter is greater than "-1" or is commented out, this is a finding.

Vulnerability Number

V-238223

Documentable

False

Rule Version

UBTU-20-010052

Severity Override Guidance

Verify the Ubuntu operating system enforces password complexity by requiring that at least one numeric character be used.

Determine if the field "dcredit" is set in the "/etc/security/pwquality.conf" file with the following command:

$ grep -i "dcredit" /etc/security/pwquality.conf
dcredit=-1

If the "dcredit" parameter is greater than "-1" or is commented out, this is a finding.

Check Content Reference

M

Target Key

5318

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