NIS/NIS+/yp command files must not have extended ACLs.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22318	GEN001361	SV-26385r1_rule	ECLP-1	Medium

Description
NIS/NIS+/yp files are part of the system's identification and authentication processes and are, therefore, critical to system security. ACLs on these files could result in unauthorized modification, which could compromise these processes and the system.

STIG	Date
SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE	2015-10-01

Details

Check Text ( C-27479r1_chk )
Verify NIS/NIS+/yp files have no extended ACLs. # ls -lLRa /usr/lib/netsvc/yp /var/yp If the permissions include a "+", the file has an extended ACL and this is a finding.

Fix Text (F-23578r1_fix)
Remove the extended ACL from the file. # getfacl [file with extended ACL] Remove each ACE returned. # setfacl -d [ACE] [file with extended ACL]