Ubuntu 22.04 LTS must be configured such that Pluggable Authentication Module (PAM) prohibits the use of cached authentications after one day.
An XCCDF Rule
Description
<VulnDiscussion>If cached authentication information is out-of-date, the validity of the authentication information may be questionable.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-260581r958828_rule
- Severity
- Low
- References
- Updated
Remediation - Manual Procedure
Configure PAM to prohibit the use of cached authentications after one day.
Add or modify the following line in the "/etc/sssd/sssd.conf" file, just below the line "[pam]":
offline_credentials_expiration = 1