The Ubuntu operating system must prevent the use of dictionary words for passwords.
An XCCDF Rule
Description
<VulnDiscussion>If the Ubuntu operating system allows the user to select passwords based on dictionary words, then this increases the chances of password compromise by increasing the opportunity for successful guesses and brute-force attacks.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-219184r610963_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the Ubuntu operating system to prevent the use of dictionary words for passwords.
Add or update the following line in the "/etc/security/pwquality.conf" file to include the "dictcheck=1" parameter:
dictcheck=1