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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22497	GEN006150	SV-26172r1_rule	ECLP-1	Medium

Description
Excessive permissions could endanger the security of the Samba configuration file and, ultimately, the system and network.

STIG	Date
VMware ESX 3 Server	2016-05-13

Details

Check Text ( C-27808r3_chk )
Check the group ownership of the Samba configuration file. Default locations for this file include /etc, /etc/sfw, /etc/samba, and /etc/sfw/samba. If the system has Samba installed in non-standard locations, also check the smb.conf in those locations. Procedure: # ls -lL /etc/smb.conf /etc/sfw/smb.conf /etc/samba/smb.conf /etc/sfw/samba/smb.conf If the permissions include a "+", the file has an extended ACL and this is a finding.

Check Text ( C-27808r3_chk )

Check the group ownership of the Samba configuration file. Default locations for this file include /etc, /etc/sfw, /etc/samba, and /etc/sfw/samba. If the system has Samba installed in non-standard locations, also check the smb.conf in those locations.

Procedure:

# ls -lL /etc/smb.conf /etc/sfw/smb.conf /etc/samba/smb.conf /etc/sfw/samba/smb.conf

If the permissions include a "+", the file has an extended ACL and this is a finding.

Fix Text (F-26306r1_fix)
Remove the extended ACL from the /etc/smb.conf file.