STIGQter: STIG Summary: Oracle Linux 7 Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

The Oracle Linux operating system must be configured so that the rsyslog daemon does not accept log messages from other servers unless the server is being used for log aggregation.

DISA Rule

SV-221836r603260_rule

Vulnerability Number

V-221836

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

OL07-00-031010

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Modify the "/etc/rsyslog.conf" file to remove the "ModLoad imtcp", "ModLoad imudp", and "ModLoad imrelp" configuration lines, or document the system as being used for log aggregation.

Check Contents

Verify that the system is not accepting "rsyslog" messages from other systems unless it is documented as a log aggregation server.

Check the configuration of "rsyslog" with the following command:

# grep imtcp /etc/rsyslog.conf
$ModLoad imtcp
# grep imudp /etc/rsyslog.conf
$ModLoad imudp
# grep imrelp /etc/rsyslog.conf
$ModLoad imrelp

If any of the above modules are being loaded in the "/etc/rsyslog.conf" file, ask to see the documentation for the system being used for log aggregation.

If the documentation does not exist, or does not specify the server as a log aggregation system, this is a finding.

Vulnerability Number

V-221836

Documentable

False

Rule Version

OL07-00-031010

Severity Override Guidance

Verify that the system is not accepting "rsyslog" messages from other systems unless it is documented as a log aggregation server.

Check the configuration of "rsyslog" with the following command:

# grep imtcp /etc/rsyslog.conf
$ModLoad imtcp
# grep imudp /etc/rsyslog.conf
$ModLoad imudp
# grep imrelp /etc/rsyslog.conf
$ModLoad imrelp

If any of the above modules are being loaded in the "/etc/rsyslog.conf" file, ask to see the documentation for the system being used for log aggregation.

If the documentation does not exist, or does not specify the server as a log aggregation system, this is a finding.

Check Content Reference

M

Target Key

4089

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