Check: GEN005522

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN005522 (in versions v1 r14 through v1 r10)

The SSH public host key files must have mode 0644 or less permissive. (Cat II impact)

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

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

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

Rule ID: SV-26764r1_rule

Vulnerability ID: V-22471

Group Title: GEN005522

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CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6	Least Privilege