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V-239528

CAT II (Medium)

The alias files must be group-owned by root, or a system group.

Rule ID

SV-239528r662035_rule

STIG

VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide

Version

V2R2

CCIs

CCI-000382

Discussion

If the aliases and aliases.db file are not group-owned by root or a system group, an unauthorized user may modify one or both of the files to add aliases to run malicious code or redirect email.

Check Content

Check the group ownership of the alias files:

# ls -lL /etc/aliases
# ls -lL /etc/aliases.db

If the files are not group-owned by "root", this is a finding.

Fix Text

Change the group owner of the alias files to "root":

# chgrp root /etc/aliases
# chgrp root /etc/aliases.db