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The Ubuntu operating system must require users to re-authenticate for privilege escalation and changing roles.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-100597 | UBTU-18-010114 | SV-109701r1_rule | Medium |
| Description |
|---|
| Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When the Ubuntu operating system provides the capability to escalate a functional capability or change security roles, it is critical the user re-authenticate. Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157 |
| STIG | Date |
|---|---|
| Canonical Ubuntu 18.04 LTS Security Technical Implementation Guide | 2020-05-29 |
Details
| Check Text ( C-99455r1_chk ) |
|---|
| Verify that "/etc/sudoers" has no occurrences of "NOPASSWD" or "!authenticate". Check that the "/etc/sudoers" file has no occurrences of "NOPASSWD" or "!authenticate" by running the following command: # sudo egrep -i '(nopasswd|!authenticate)' /etc/sudoers /etc/sudoers.d/* If any occurrences of "NOPASSWD" or "!authenticate" return from the command, this is a finding. |
| Fix Text (F-106283r1_fix) |
|---|
| Remove any occurrence of "NOPASSWD" or "!authenticate" found in "/etc/sudoers" file or files in the /etc/sudoers.d directory. |