All AIX shells referenced in passwd file must be listed in /etc/shells file, except any shells specified for the purpose of preventing logins.
An XCCDF Rule
Description
<VulnDiscussion>The /etc/shells file lists approved default shells. It helps provide layered defense to the security approach by ensuring users cannot change their default shell to an unauthorized unsecure shell.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215288r508663_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Use the "chsh" utility or edit the "/etc/passwd" file and correct the error by changing the default shell of the account in error to an acceptable shell name contained in the "/etc/shells file".
Alternatively, use the SMIT to change the "/etc/passwd" shell entry.