SLEM 5 must reauthenticate users when changing authenticators, roles, or escalating privileges.

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SLEM 5 must reauthenticate users when changing authenticators, roles, or escalating privileges.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-261373	SLEM-05-432015	SV-261373r996558_rule		Medium

Description
Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When SLEM 5 provides the capability to change user authenticators, change security roles, or escalate a functional capability, it is critical the user reauthenticate.

STIG	Date
SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide	2024-06-04

Details

Check Text ( C-65102r996557_chk )
Verify that SLEM 5 requires reauthentication when changing authenticators, roles, or escalating privileges with the following command: > sudo egrep -i '(nopasswd\|!authenticate)' /etc/sudoers If any uncommented lines containing "!authenticate", or "NOPASSWD" are returned and active accounts on the system have valid passwords, this is a finding.

Fix Text (F-65010r995985_fix)
Configure SLEM 5 to remove any occurrence of "NOPASSWD" or "!authenticate" found in the "/etc/sudoers" file. If the system does not use passwords for authentication, the "NOPASSWD" tag may exist in the file.