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The RHEL 8 SSH daemon must perform strict mode checking of home directory configuration files.

An XCCDF Rule

Description

<VulnDiscussion>If other users have access to modify user-specific SSH configuration files, they may be able to log on to the system as another user.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>

ID
SV-230288r858701_rule
Severity
Medium
References
Updated



Remediation - Manual Procedure

Configure SSH to perform strict mode checking of home directory configuration files. Uncomment the "StrictModes" keyword in "/etc/ssh/sshd_config" and set the value to "yes":

StrictModes yes

The SSH daemon must be restarted for the changes to take effect. To restart the SSH daemon, run the following command: