SV-274078r1120222: Amazon Linux 2023 must encrypt the transfer of audit records off-loaded onto a different system or media from the system being audited via rsyslog. | Amazon Linux 2023 STIG SCAP Benchmark

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Assessment Title

Rule Text

Amazon Linux 2023 must encrypt the transfer of audit records off-loaded onto a different system or media from the system being audited via rsyslog.

Description

Discussion Text

Information stored in one location is vulnerable to accidental or incidental deletion or alteration.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-001851

References

DPMS Target Amazon Linux 2023 DISA DPMS Target Amazon Linux 2023 5700

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

#!/bin/bash
# Reconstructed from oval:mil.disa.stig.amzlx23os:def:274078
# Amazon Linux 2023 must encrypt the transfer of audit records off-loaded onto a different system or media from the system being audited via rsyslog.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# ActionSendStreamDriverMode == 1
# textfilecontent54_object (textfilecontent54_test)
test_1() {
  ( [ "$(sed -En 's/^\$ActionSendStreamDriverMode\s+(\S+)\s*$/\1/p' '/etc/rsyslog.conf')" -eq 1 ] ) || ( [ "$(grep -rhP --include='*.conf' '^\$ActionSendStreamDriverMode\s+(\S+)\s*$' '/etc/rsyslog.d' | sed -En 's/^\$ActionSendStreamDriverMode\s+(\S+)\s*$/\1/p')" -eq 1 ] )
}

if test_1; then
  echo "PASS"
else
  echo "FAIL"
fi

Assessment Script Powered by AISandbox-executed

A standalone Shell script to assess this control automatically. Review before running it in your environment.

Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.

#!/bin/sh
# OVAL Definition: oval:mil.disa.stig.amzlx23os:def:274078

if [ -f /etc/rsyslog.conf ] && [ "$(grep -E '^\\$ActionSendStreamDriverMode\\s+1' /etc/rsyslog.conf | wc -l)" -ge 1 ]; then
  echo "PASS"
  exit 0
elif [ -d /etc/rsyslog.d ] && [ "$(find /etc/rsyslog.d -name '*.conf' | xargs grep -E '^\\$ActionSendStreamDriverMode\\s+1' | wc -l)" -ge 1 ]; then
  echo "PASS"
  exit 0
else
  echo "FAIL"
  exit 1
fi

Remediation

Configure Amazon Linux 2023 to encrypt off-loaded audit records via rsyslog by setting the following options in "/etc/rsyslog.conf" or "/etc/rsyslog.d/[customfile].conf":

$ActionSendStreamDriverMode 1