AIX system must restrict the ability to switch to the root user to members of a defined group.
An XCCDF Rule
Description
<VulnDiscussion>Configuring a supplemental group for users permitted to switch to the root user prevents unauthorized users from accessing the root account, even with knowledge of the root credentials.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215338r508663_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Use the "chsec" command to only allow users in the adm group to su to root:
# chsec -f /etc/security/user -s root -a sugroups=adm