The AIX SSH daemon must be configured to not use host-based authentication.
An XCCDF Rule
Description
<VulnDiscussion>SSH trust relationships mean a compromise on one host can allow an attacker to move trivially to other hosts.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215304r991591_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Edit "/etc/ssh/sshd_config" and add or update the "HostbasedAuthentication" line as:
HostbasedAuthentication no
Save the change and restart ssh daemon:
# stopsrc -s sshd
# startsrc -s sshd