The smb.conf file must have mode 0644 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-227927	GEN006140	SV-227927r603266_rule		Medium

Description
If the smb.conf file has excessive permissions, the file may be maliciously modified and the Samba configuration could be compromised.

STIG	Date
Solaris 10 X86 Security Technical Implementation Guide	2020-12-04

Details

Check Text ( C-30089r490201_chk )
Check the mode of the smb.conf 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 smb.conf has a mode more permissive than 0644, this is a finding.

Check Text ( C-30089r490201_chk )

Check the mode of the smb.conf 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 smb.conf has a mode more permissive than 0644, this is a finding.

Fix Text (F-30077r490202_fix)
Change the mode of the smb.conf file to 0644 or less permissive. Procedure: # chmod 0644 /etc/smb.conf /etc/sfw/smb.conf /etc/samba/smb.conf /etc/sfw/samba/smb.conf