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Check: GEN004370

VMware ESX 3 Server: GEN004370 (in version v1 r2)

Title

The aliases file must be group-owned by root, sys, bin, or system. (Cat II impact)

Discussion

If the alias file is not group-owned by root or a system group, an unauthorized user may modify the file to add aliases to run malicious code or redirect email.

Check Content

Check the group ownership of the /etc/mail/aliases file. Procedure: # ls -lL /etc/mail/aliases If the file is not group-owned by root, sys, bin, or system, this is a finding.

Fix Text

Change the group owner of the /etc/mail/aliases file. Procedure: # chgrp root /etc/mail/aliases

Additional Identifiers

Rule ID: SV-26684r1_rule

Vulnerability ID: V-22438

Group Title: GEN004370

Expert Comments

Expert comments are only available to logged-in users.

CCIs

CCIs tied to check.

Number	Definition
CCI-000225	Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) which are necessary to accomplish assigned organizational tasks.

Controls

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

Number	Title
AC-6	Least Privilege