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Ubuntu 22.04 LTS must require users to reauthenticate for privilege escalation or when changing roles.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-260558 | UBTU-22-432010 | SV-260558r987879_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 |
| STIG | Date |
|---|---|
| Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide | 2024-05-30 |
Details
| Check Text ( C-64287r953485_chk ) |
|---|
| Verify the "/etc/sudoers" file has no occurrences of "NOPASSWD" or "!authenticate" by using the following command: $ sudo grep -Ei '(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-64195r953486_fix) |
|---|
| Remove any occurrence of "NOPASSWD" or "!authenticate" found in "/etc/sudoers" file or files in the "/etc/sudoers.d" directory. |