RHEL 9 must use the invoking user's password for privilege escalation when using "sudo".

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-258085	RHEL-09-432020	SV-258085r943063_rule		Medium

Description
If the rootpw, targetpw, or runaspw flags are defined and not disabled, by default the operating system will prompt the invoking user for the "root" user password.

STIG	Date
Red Hat Enterprise Linux 9 Security Technical Implementation Guide	2023-12-01

Details

Check Text ( C-61826r943062_chk )
Verify that the sudoers security policy is configured to use the invoking user's password for privilege escalation with the following command: $ sudo egrep -ir '(!rootpw\|!targetpw\|!runaspw)' /etc/sudoers /etc/sudoers.d/* \| grep -v '#' /etc/sudoers:Defaults !targetpw /etc/sudoers:Defaults !rootpw /etc/sudoers:Defaults !runaspw If no results are returned, this is a finding. If results are returned from more than one file location, this is a finding. If "Defaults !targetpw" is not defined, this is a finding. If "Defaults !rootpw" is not defined, this is a finding. If "Defaults !runaspw" is not defined, this is a finding.

Check Text ( C-61826r943062_chk )

Verify that the sudoers security policy is configured to use the invoking user's password for privilege escalation with the following command:

$ sudo egrep -ir '(!rootpw|!targetpw|!runaspw)' /etc/sudoers /etc/sudoers.d/* | grep -v '#'

/etc/sudoers:Defaults !targetpw
/etc/sudoers:Defaults !rootpw
/etc/sudoers:Defaults !runaspw

If no results are returned, this is a finding.

If results are returned from more than one file location, this is a finding.

If "Defaults !targetpw" is not defined, this is a finding.

If "Defaults !rootpw" is not defined, this is a finding.

If "Defaults !runaspw" is not defined, this is a finding.

Fix Text (F-61750r926241_fix)
Define the following in the Defaults section of the /etc/sudoers file or a single configuration file in the /etc/sudoers.d/ directory: Defaults !targetpw Defaults !rootpw Defaults !runaspw