Details

The gpgcheck option, found in the main section of the /etc/yum.conf file determines if an RPM package’s signature is always checked prior to its installation.

Rationale:

It is important to ensure that an RPM’s package signature is always checked prior to installation to ensure that the software is obtained from a trusted source.

Solution

Edit the /etc/yum.conf file and set the gpgcheck to 1 as follows:

gpgcheck=1

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/3096

This security hardening control applies to the following category of controls within NIST 800-53: System and Information Integrity.This control applies to the following type of system Unix.

References

• 800-53|SI-2c.
• CSCv7|3.4

Source

• Tenable.com/audits