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

From Red Hat Enterprise Linux 5 Security Technical Implementation Guide

Part of GEN005522

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-37844r1_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.

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Fix text

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

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