The SLES for vRealize audit system must be configured to audit failed attempts to access files and programs.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-88739	VROM-SL-001425	SV-99389r1_rule		Medium

Description
Unsuccessful attempts to access files could be an indicator of malicious activity on a system. Auditing these events could serve as evidence of potential system compromise.

STIG	Date
VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide	2018-10-11

Details

Check Text ( C-88431r1_chk )
Verify auditd is configured to audit failed file access attempts. There must be an audit rule for each of the access syscalls logging all failed accesses (-F success=0) # cat /etc/audit.rules /etc/audit/audit.rules \| grep -e "-a exit,always" \| grep -e "-S truncate" \| grep -e "-F success=0" There must be an audit rule for each of the access syscalls logging all failed accesses (-F success=0). If not, this is a finding.

Check Text ( C-88431r1_chk )

Verify auditd is configured to audit failed file access attempts. There must be an audit rule for each of the access syscalls logging all failed accesses (-F success=0)

# cat /etc/audit.rules /etc/audit/audit.rules | grep -e "-a exit,always" | grep -e "-S truncate" | grep -e "-F success=0"

There must be an audit rule for each of the access syscalls logging all failed accesses (-F success=0). If not, this is a finding.

Fix Text (F-95481r1_fix)
Edit the audit.rules file and add the following line(s) to enable auditing of failed attempts to access files and programs: -a exit,always -F arch=b64 -S truncate -F success=0 -a exit,always -F arch=b32 -S truncate -F success=0