The Photon operating system TDNF package management tool must cryptographically verify the authenticity of all software packages during installation.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
highV-258846SRG-OS-000366-GPOS-00153PHTN-40-000130SV-258846r1003646_rule2024-07-112
Description
Installation of any nontrusted software, patches, service packs, device drivers, or operating system components can significantly affect the overall security of the operating system. This requirement ensures the software has not been tampered with and has been provided by a trusted vendor.
ℹ️ Check
At the command line, run the following command to verify software packages are cryptographically verified during installation: # grep '^gpgcheck' /etc/tdnf/tdnf.conf Example result: gpgcheck=1 If "gpgcheck" is not set to "true", "1", or "yes", this is a finding.
✔️ Fix
Navigate to and open: /etc/tdnf/tdnf.conf Add or update the following line: gpgcheck=1