deb playbook to fix CVE-2014-6271 bash remote execution vulnerability

util-bash-vuln-upgrade.yml

---
- hosts: all
  gather_facts: false
  name: CVE-2014-6271 bash vulnerability fix

  tasks:
    - name: check bash fix
      command: env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
      register: command_result
      changed_when: False
      failed_when: False

    - name: update apt cache and upgrade bash
      apt: update_cache=yes name=bash state=latest cache_valid_time=7200
      when: "'error' not in command_result.stderr"
      register: apt_update

    - name: fix libs
      command: /sbin/ldconfig
      when: apt_update|changed

    - name: check bash fix
      command: env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
      register: command_result
      failed_when: "'error' not in command_result.stderr"
      changed_when: False