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RHEL 8 must require users to provide a password for privilege escalation.


Overview

Finding ID Version Rule ID IA Controls Severity
V-230271 RHEL-08-010380 SV-230271r627750_rule Medium
Description
Without reauthentication, 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 reauthenticate. Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00158
STIG Date
Red Hat Enterprise Linux 8 Security Technical Implementation Guide 2021-03-04

Details

Check Text ( C-32940r567559_chk )
Verify that "/etc/sudoers" has no occurrences of "NOPASSWD".

Check that the "/etc/sudoers" file has no occurrences of "NOPASSWD" by running the following command:

$ sudo grep -i nopasswd /etc/sudoers /etc/sudoers.d/*

%admin ALL=(ALL) NOPASSWD: ALL

If any occurrences of "NOPASSWD" are returned from the command and have not been documented with the ISSO as an organizationally defined administrative group utilizing MFA, this is a finding.
Fix Text (F-32915r567560_fix)
Remove any occurrence of "NOPASSWD" found in "/etc/sudoers" file or files in the "/etc/sudoers.d" directory.