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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-38483	RHEL-06-000013	SV-50283r1_rule		Medium

Description
Ensuring the validity of packages' cryptographic signatures prior to installation ensures the provenance of the software and protects against malicious tampering.

STIG	Date
Red Hat Enterprise Linux 6 Security Technical Implementation Guide	2016-07-22

Details

Check Text ( None )
None

Fix Text (F-43429r1_fix)
The "gpgcheck" option should be used to ensure checking of an RPM package's signature always occurs prior to its installation. To configure yum to check package signatures before installing them, ensure the following line appears in "/etc/yum.conf" in the "[main]" section: gpgcheck=1