UCF STIG Viewer Logo
Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

RHEL 9 must have GPG signature verification enabled for all software repositories.


Overview

Finding ID Version Rule ID IA Controls Severity
V-257822 RHEL-09-214025 SV-257822r997055_rule High
Description
Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has been provided by a trusted vendor. All software packages must be signed with a cryptographic key recognized and approved by the organization. Verifying the authenticity of software prior to installation validates the integrity of the software package received from a vendor. This verifies the software has not been tampered with and that it has been provided by a trusted vendor.
STIG Date
Red Hat Enterprise Linux 9 Security Technical Implementation Guide 2024-06-04

Details

Check Text ( C-61563r925451_chk )
Verify that all software repositories defined in "/etc/yum.repos.d/" have been configured with "gpgcheck" enabled:

$ grep gpgcheck /etc/yum.repos.d/*.repo | more

gpgcheck = 1

If "gpgcheck" is not set to "1" for all returned lines, this is a finding.
Fix Text (F-61487r925452_fix)
Configure all software repositories defined in "/etc/yum.repos.d/" to have "gpgcheck" enabled:

$ sudo sed -i 's/gpgcheck\s*=.*/gpgcheck=1/g' /etc/yum.repos.d/*