The SSH public host key files must have mode 0644 or less permissive.

From HP-UX 11.31 Security Technical Implementation Guide

Part of GEN005522

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-35060r1_rule The SSH public host key files must have mode 0644 or less permissive.

Vulnerability discussion

If a public host key file is modified by an unauthorized user, the SSH service may be compromised.

Check content

Check the permissions for the SSH public host key files. # ls -lL /opt/ssh/etc/ssh_host_dsa_key.pub # ls -lL /opt/ssh/etc/ssh_host_rsa_key.pub If any file has a mode more permissive than 0644, this is a finding.

Fix text

Change the permissions for the SSH public host key files. # chmod 0644 /opt/ssh/etc/*key.pub

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