RHEL 9 must require users to reauthenticate for privilege escalation.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-258086 | SRG-OS-000373-GPOS-00156 | RHEL-09-432025 | SV-258086r1102063_rule | 2026-02-05 | 2 |
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 that the user reauthenticate.
Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00158
ℹ️ Check
Verify that "/etc/sudoers" has no occurrences of "!authenticate" with the following command:
$ sudo egrep -iR '!authenticate' /etc/sudoers /etc/sudoers.d/
If any occurrences of "!authenticate" are returned, this is a finding.
✔️ Fix
Configure RHEL 9 to not allow users to execute privileged actions without authenticating.
Remove any occurrence of "!authenticate" found in "/etc/sudoers" file or files in the "/etc/sudoers.d" directory.
$ sudo sed -i '/\!authenticate/ s/^/# /g' /etc/sudoers /etc/sudoers.d/*