The system must require authentication before allowing modification of the boot devices or menus. Secure the GRUB Menu (Intel).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-48001	SOL-11.1-080140	SV-60873r2_rule		Low

Description
The flexibility that GRUB provides creates a security risk if its configuration is modified by an unauthorized user. The failsafe menu entry needs to be secured in the same environments that require securing the systems firmware to avoid unauthorized removable media boots.

STIG	Date
Solaris 11 X86 Security Technical Implementation Guide	2015-08-24

Details

Check Text ( None )
None

Fix Text (F-51613r1_fix)
The root role is required. This procedure requires Solaris 11.1 This action applies to the global zone only. Determine the zone that you are currently securing. # zonename If the command output is "global", this action applies. Create a password hash. # /usr/lib/grub2/bios/bin/grub-mkpasswd-pbkdf2 Enter password: Reenter password: Your PBKDF2 is ....... Copy the long password hash in its entirety. # pfedit /rpool/boot/grub/grub.cfg Insert the lines: set superusers="[username]" password_pbkdf2 [username] [password hash] Just before the line: ### END /usr/lib/grub2/bios/etc/grub.d/00_header ### Restart the system.

Fix Text (F-51613r1_fix)

The root role is required.
This procedure requires Solaris 11.1

This action applies to the global zone only. Determine the zone that you are currently securing.

# zonename

If the command output is "global", this action applies.

Create a password hash.

# /usr/lib/grub2/bios/bin/grub-mkpasswd-pbkdf2
Enter password:
Reenter password:
Your PBKDF2 is .......
Copy the long password hash in its entirety.

# pfedit /rpool/boot/grub/grub.cfg
Insert the lines:
set superusers="[username]"
password_pbkdf2 [username] [password hash]

Just before the line:
### END /usr/lib/grub2/bios/etc/grub.d/00_header ###

Restart the system.