System log files must have mode 0640 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-787	GEN001260	SV-44946r1_rule		Medium

Description
If the system log files are not protected, unauthorized users could change the logged data, eliminating its forensic value.

STIG	Date
SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide	2018-09-19

Details

Check Text ( C-42373r1_chk )
Check the mode of log files. Procedure: # ls -lL /var/log /var/log/syslog /var/adm With the exception of /var/log/wtmp, if any of the log files have modes more permissive than 0640, this is a finding.

Fix Text (F-38370r1_fix)
Change the mode of the system log file(s) to 0640 or less permissive. Procedure: # chmod 0640 /path/to/system-log-file Note: Do not confuse system log files with audit logs.