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Disallow Configuration to Bypass Password Requirements for Privilege Escalation

An XCCDF Rule

Description

Verify the operating system is not configured to bypass password requirements for privilege escalation. Check the configuration of the "/etc/pam.d/sudo" file with the following command: 

$ sudo grep pam_succeed_if /etc/pam.d/sudo
If any occurrences of "pam_succeed_if" is returned from the command, this is a finding.

Rationale

Without re-authentication, 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 re-authenticate.

ID
xccdf_org.ssgproject.content_rule_disallow_bypass_password_sudo
Severity
Medium
References
Updated



Remediation - Ansible

- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - DISA-STIG-RHEL-09-611145
  - NIST-800-53-IA-11

Remediation - Shell Script

# Remediation is applicable only in certain platforms
if rpm --quiet -q pam; then

sed -i '/pam_succeed_if/d' /etc/pam.d/sudo

else