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documentation_complete: true
title: 'Ensure gpgcheck Enabled for Repository Metadata'
description: |-
Verify the operating system prevents the installation of patches,
service packs, device drivers, or operating system components of
local packages without verification of the repository metadata.
Check that <tt>{{{ pkg_manager }}}</tt> verifies the repository
metadata prior to install with the following command.
This should be configured by setting <tt>repo_gpgcheck</tt> to <tt>1</tt>
in <tt>{{{ pkg_manager_config_file }}}</tt>.
rationale: |-
Changes to any software components can have significant effects to the
overall security of the operating system. This requirement ensures the
software has not been tampered and has been provided by a trusted vendor.
Accordingly, patches, service packs, device drivers, or operating system
components must be signed with a certificate recognized and approved by
the organization. Verifying the authenticity of the software prior to
installation validates the integrity of the patch or upgrade received from
a vendor. This ensures the software has not been tampered with and that it
has been provided by a trusted vendor. Self-signed certificates are
disallowed by this requirement. The operating system should not have
to verify the software again. NOTE: For U.S. Military systems, this
requirement does not mandate DoD certificates for this purpose; however,
the certificate used to verify the software must be from an approved
Certificate Authority.
severity: high
identifiers:
cce@rhel8: CCE-80793-3
cce@rhel10: CCE-88518-6
references:
cis-csc: 11,3,9
cobit5: BAI10.01,BAI10.02,BAI10.03,BAI10.05
disa: CCI-001749
hipaa: 164.308(a)(1)(ii)(D),164.312(b),164.312(c)(1),164.312(c)(2),164.312(e)(2)(i)
isa-62443-2009: 4.3.4.3.2,4.3.4.3.3
isa-62443-2013: 'SR 7.6'
iso27001-2013: A.12.1.2,A.12.5.1,A.12.6.2,A.14.2.2,A.14.2.3,A.14.2.4
nist: CM-5(3),SI-7,SC-12,SC-12(3),CM-6(a),SA-12,SA-12(10),CM-11(a),CM-11(b)
nist-csf: PR.IP-1
srg: SRG-OS-000366-GPOS-00153
ocil_clause: 'gpgcheck is not enabled or configured correctly to verify repository metadata'
ocil: |-
To verify that <tt>repo_gpgcheck</tt> is configured properly, run the following
command:
<pre>$ grep repo_gpgcheck {{{ pkg_manager_config_file }}}</pre>
The output should return something similar to:
<pre>repo_gpgcheck=1</pre>
platform: package[{{{ pkg_manager }}}]
|
