The Red Hat Enterprise Linux operating system must be configured so that users must provide a password for privilege escalation.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-204429	RHEL-07-010340	SV-204429r603261_rule		Medium

Description
Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When operating systems provide the capability to escalate a functional capability, it is critical the user re-authenticate. Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00158

STIG	Date
Red Hat Enterprise Linux 7 Security Technical Implementation Guide	2021-03-01

Details

Check Text ( C-36340r602618_chk )
Verify the operating system requires users to supply a password for privilege escalation. Check the configuration of the "/etc/sudoers" and "/etc/sudoers.d/" files with the following command: # grep -i nopasswd /etc/sudoers /etc/sudoers.d/ If any occurrences of "NOPASSWD" are returned from the command and have not been documented with the Information System Security Officer (ISSO) as an organizationally defined administrative group utilizing MFA, this is a finding.

Check Text ( C-36340r602618_chk )

Verify the operating system requires users to supply a password for privilege escalation.

Check the configuration of the "/etc/sudoers" and "/etc/sudoers.d/*" files with the following command:

# grep -i nopasswd /etc/sudoers /etc/sudoers.d/*

If any occurrences of "NOPASSWD" are returned from the command and have not been documented with the Information System Security Officer (ISSO) as an organizationally defined administrative group utilizing MFA, this is a finding.

Fix Text (F-36303r602619_fix)
Configure the operating system to require users to supply a password for privilege escalation. Check the configuration of the "/etc/sudoers" file with the following command: # visudo Remove any occurrences of "NOPASSWD" tags in the file. Check the configuration of the /etc/sudoers.d/* files with the following command: # grep -i nopasswd /etc/sudoers.d/* Remove any occurrences of "NOPASSWD" tags in the file.

Fix Text (F-36303r602619_fix)

Configure the operating system to require users to supply a password for privilege escalation.

Check the configuration of the "/etc/sudoers" file with the following command:
# visudo

Remove any occurrences of "NOPASSWD" tags in the file.

Check the configuration of the /etc/sudoers.d/* files with the following command:
# grep -i nopasswd /etc/sudoers.d/*

Remove any occurrences of "NOPASSWD" tags in the file.