The alias file must be owned by root.

From HP-UX 11.31 Security Technical Implementation Guide

Part of GEN004360

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-35161r1_rule The alias file must be owned by root.

Vulnerability discussion

If the aliases file is not owned by root, an unauthorized user may modify the file to add aliases to run malicious code or redirect e-mail.

Check content

Find the aliases file on the system and check the ownership. # ls -lL /etc/mail/aliases If the file is not owned by root, this is a finding.

Fix text

Change the owner of the /etc/mail/aliases file (or equivalent) to root. # chown root /etc/mail/aliases

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