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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22588	GEN008800	SV-26990r1_rule	ECSC-1	Low

Description
To prevent the installation of software from unauthorized sources, the system package management tool must use cryptographic algorithms to verify the packages are authentic.

STIG	Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2015-06-12

Details

Check Text ( C-27933r2_chk )
Verify RPM signature validation is not disabled. # grep nosignature /etc/rpmrc /usr/lib/rpm/rpmrc /usr/lib/rpm/redhat/rpmrc ~root/.rpmrc If any configuration is found, this is a finding. Verify YUM signature validation is not disabled. # grep gpgcheck /etc/yum.conf /etc/yum.repos.d/* If any "gpgcheck" setting is returned that is not equal to "1", this is a finding.

Fix Text (F-24256r1_fix)
Edit the RPM configuration file containing the "nosignature" option and remove the option. Edit the YUM configuration containing "gpgcheck=0" and set the value to "1".