Files executed through a mail aliases file must have mode 0755 or less permissive.

From Red Hat Enterprise Linux 5 Security Technical Implementation Guide

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-37494r2_rule Files executed through a mail aliases file must have mode 0755 or less permissive.

Vulnerability discussion

If a file executed through a mail aliases file has permissions greater than 0755, it can be modified by an unauthorized user and may contain malicious code or instructions potentially compromising the system.

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Use the chmod command to change the access permissions for files executed from the alias file. For example: # chmod 0755 filename

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