RHEL 9 must not be configured to bypass password requirements for privilege escalation.

STIG ID: RHEL-09-611145  |  SRG: SRG-OS-000373-GPOS-00156 |  Severity: medium (CAT II)  |  CCI: CCI-002038 |  Vulnerability Id: V-258118

Vulnerability Discussion

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

Check

Verify the operating system is not configured to bypass password requirements for privilege escalation with the following command:

$ sudo grep pam_succeed_if /etc/pam.d/sudo

If any occurrences of "pam_succeed_if" are returned, this is a finding.

Fix

Configure the operating system to require users to supply a password for privilege escalation.

Remove any occurrences of " pam_succeed_if " in the "/etc/pam.d/sudo" file.
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