V-260540

Discussion

Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Peripherals include, but are not limited to, such devices as flash drives, external storage, and printers.

Check Content

Verify Ubuntu 22.04 LTS disables ability to load the USB storage kernel module by using the following command: 
 
     $ grep usb-storage /etc/modprobe.d/* | grep "/bin/false" 
     /etc/modprobe.d/stig.conf:install usb-storage /bin/false 
 
If the command does not return any output, or the line is commented out, this is a finding. 
 
Verify Ubuntu 22.04 LTS disables the ability to use USB mass storage device. 
 
     $ grep usb-storage /etc/modprobe.d/* | grep -i "blacklist" 
     /etc/modprobe.d/stig.conf:blacklist usb-storage 
 
If the command does not return any output, or the line is commented out, this is a finding.