The /etc/news/incoming.conf file must not have an extended ACL.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22502	GEN006270	SV-37902r2_rule		Medium

Description
File system extended ACLs provide access to files beyond what is allowed by the mode numbers of the files. Excessive permissions on the "incoming.conf" file may allow unauthorized modification which could lead to Denial of Service to authorized users or provide access to unauthorized users.

STIG	Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2017-03-01

Details

Check Text ( C-37128r2_chk )
Check the permissions of the file. # ls -lL /etc/news/incoming.conf If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix Text (F-32396r2_fix)
Remove the extended ACL from the file. # setfacl --remove-all /etc/news/incoming.conf