An error occurred:

Check: GEN004380

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN004380 (in versions v1 r14 through v1 r10)

Title

The alias file must have mode 0644 or less permissive. (Cat II impact)

Discussion

Excessive permissions on the aliases file may permit unauthorized modification. If the alias file is modified by an unauthorized user, they may modify the file to run malicious code or redirect email.

Check Content

Check the mode of the alias file. Procedure: # ls -lL /etc/mail/aliases If the alias file has a mode more permissive than 0644, this is a finding.

Fix Text

Change the mode of the /etc/mail/aliases file. Procedure: # chmod 0644 /etc/mail/aliases

Additional Identifiers

Rule ID: SV-40684r1_rule

Vulnerability ID: V-832

Group Title: GEN004380

Expert Comments

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CCIs

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

Controls tied to check. These are derived from the CCIs shown above.
Number Title
AC-6

Least Privilege