The .rhosts, .shosts, hosts.equiv, shosts.equiv, /etc/passwd, /etc/shadow, and/or /etc/group files must not contain a plus (+) without defining entries for NIS+ netgroups.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-11987	GEN001980	SV-12488r2_rule	ECCD-1 ECCD-2	Medium

Description
A plus (+) in system accounts' files causes the system to lookup the specified entry using NIS. If the system is not using NIS, no such entries should exist.

STIG	Date
Solaris 10 SPARC Security Technical Implementation Guide	2020-02-26

Details

Check Text ( C-7952r2_chk )
Check system configuration files for plus (+) entries. Procedure: # find / -name .rhosts -exec grep + {} \; # find / -name .shosts -exec grep + {} \; # find / -name hosts.equiv -exec grep + {} \; # find / -name shosts.equiv -exec grep + {} \; # grep + /etc/passwd # grep + /etc/shadow # grep + /etc/group If the .rhosts, .shosts, hosts.equiv, shosts.equiv, /etc/passwd, /etc/shadow, and/or /etc/group files contain a plus (+) and do not define entries for NIS+ netgroups, this is a finding.

Check Text ( C-7952r2_chk )

Check system configuration files for plus (+) entries.

Procedure:
# find / -name .rhosts -exec grep + {} \;

# find / -name .shosts -exec grep + {} \;

# find / -name hosts.equiv -exec grep + {} \;

# find / -name shosts.equiv -exec grep + {} \;

# grep + /etc/passwd
# grep + /etc/shadow
# grep + /etc/group

If the .rhosts, .shosts, hosts.equiv, shosts.equiv, /etc/passwd, /etc/shadow, and/or /etc/group files contain a plus (+) and do not define entries for NIS+ netgroups, this is a finding.

Fix Text (F-11248r2_fix)
Edit the .rhosts, .shosts, hosts.equiv, shosts.equiv, /etc/passwd, /etc/shadow, and/or /etc/group files and remove entries containing a plus (+).