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The root account must be the only account with GID of 0.


Overview

Finding ID Version Rule ID IA Controls Severity
V-12033 GEN000000-SOL00440 SV-12534r2_rule IAIA-1 IAIA-2 High
Description
Accounts with a GID of 0 have root group privileges.
STIG Date
SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE 2016-06-22

Details

Check Text ( C-7997r2_chk )
Check passwd and group files for non-root user ids and group ids with a GID of 0.

# more /etc/passwd
# more /etc/group

OR

# awk -F: '$4 == 0' /etc/passwd
# awk -F: '$3 == 0' /etc/group

Confirm the only account with a group id of 0 is root.

If the root account is not the only account with GID of 0, this is a finding.
Fix Text (F-11290r2_fix)
Change the default GID of non-root accounts to a valid GID other than 0.