SV-280949r1195338: RHEL 10 must not have the "tftp" package installed. | Red Hat Enterprise Linux 10 STIG SCAP Benchmark

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Assessment Title

Rule Text

RHEL 10 must not have the "tftp" package installed.

Description

Discussion Text

It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities are often overlooked and therefore, may remain unsecure. They increase the risk to the platform by providing additional attack vectors. If Trivial File Transfer Protocol (TFTP) is required for operational support (such as transmission of router configurations), its use must be documented with the information system security manager, restricted to only authorized personnel, and have access control rules established.

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

IA Controls

NIST SP 800-53

Not mappedCCI-000197

References

DPMS Target Red Hat Enterprise Linux 10 DISA DPMS Target Red Hat Enterprise Linux 10 5733

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.rhel10os:def:280949
# RHEL 10 must not have the "tftp" package installed.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# The tftp package is absent.
# rpminfo_object (rpminfo_test)
test_1() {
  ! ( rpm -q --quiet 'tftp' &>/dev/null )
}

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.rhel10os:def:280949

if ! command -v rpm &> /dev/null; then
  echo "FAIL"
  exit 1
fi

if rpm -q tftp &> /dev/null; then
  echo "FAIL"
  exit 1
fi

echo "PASS"
exit 0

Remediation

Configure RHEL 10 to not have the "tftp" package installed with the following command:

$ sudo dnf -y remove tftp