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The SUSE operating system must use the invoking user's password for privilege escalation when using "sudo".


Overview

Finding ID Version Rule ID IA Controls Severity
V-234879 SLES-15-020103 SV-234879r833010_rule Medium
Description
The sudoers security policy requires that users authenticate themselves before they can use sudo. When sudoers requires authentication, it validates the invoking user's credentials. 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. For more information on each of the listed configurations, reference the sudoers(5) manual page.
STIG Date
SUSE Linux Enterprise Server 15 Security Technical Implementation Guide 2022-09-07

Details

Check Text ( C-38067r833009_chk )
Verify that the sudoers security policy is configured to use the invoking user's password for privilege escalation.

> 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 conflicting results are returned, 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-38030r618907_fix)
Define the following in the Defaults section of the /etc/sudoers file or a configuration file in the /etc/sudoers.d/ directory:

Defaults !targetpw
Defaults !rootpw
Defaults !runaspw