SHOUTcast Server DoS detector vulnerability

# SPDX-FileCopyrightText: 2001 SecuriTeam
# 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("1.3.6.1.4.1.25623.1.0.10717");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_cve_id("CVE-2001-1304");
  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_name("SHOUTcast Server DoS detector vulnerability");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"remote_active");

  script_copyright("Copyright (C) 2001 SecuriTeam");
  script_family("Web Servers");
  script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 8000);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_xref(name:"URL", value:"http://www.securiteam.com/exploits/5YP031555Q.html");

  script_tag(name:"summary", value:"This detects SHOUTcast Server's version. If the version equals
  1.8.2 it is vulnerable to a denial of service attack.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"solution", value:"Upgrade to the latest version of SHOUTcast Server.");

  exit(0);
}

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

port = http_get_port( default:8000 );

req = 'GET /content/nonexistant' + rand() + rand() + rand() + '.mp3 HTTP/1.0\r\n\r\n' +
      'Host: ' + get_host_name() + '\r\n\r\n';
banner = http_keepalive_send_recv(port:port, data:req);
if(!banner)exit(0);

if ("SHOUTcast Distributed Network Audio Server" >< banner) {
  resultrecv = banner;
  resultrecv = strstr(resultrecv, "SHOUTcast Distributed Network Audio Server/");
  resultsub = strstr(resultrecv, string("<BR>"));
  resultrecv = resultrecv - resultsub;
  resultrecv = resultrecv - "SHOUTcast Distributed Network Audio Server/";
  resultrecv = resultrecv - "<BR>";
  report = string("The remote SHOUTcast server version is :\n");
  report = report + resultrecv;
  if ("1.8.2" >< resultrecv) {
    report = report + string("\n\nThis version of SHOUTcast is supposedly vulnerable to a denial of service attack. Upgrade your SHOUTcast server.\n");
    security_message(port:port, data:report);
  } else {
    log_message(port:port, data:report);
  }
}