nginx 'ngx_http_process_request_headers()' Remote Buffer Overflow Vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: nginx_36839.nasl 13859 2019-02-26 05:27:33Z ckuersteiner $
#
# nginx 'ngx_http_process_request_headers()' Remote Buffer Overflow Vulnerability
#
# Authors:
# Michael Meyer
#
# Copyright:
# Copyright (c) 2009 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

CPE = "cpe:/a:nginx:nginx";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100321");
  script_version("$Revision: 13859 $");
  script_tag(name:"last_modification", value:"$Date: 2019-02-26 06:27:33 +0100 (Tue, 26 Feb 2019) $");
  script_tag(name:"creation_date", value:"2009-10-28 11:13:14 +0100 (Wed, 28 Oct 2009)");
  script_cve_id("CVE-2009-3896");
  script_bugtraq_id(36839);
  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("nginx 'ngx_http_process_request_headers()' Remote Buffer Overflow Vulnerability");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36839");
  script_xref(name:"URL", value:"http://nginx.net/");
  script_xref(name:"URL", value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035");

  script_tag(name:"qod_type", value:"remote_banner");
  script_category(ACT_GATHER_INFO);
  script_family("Web Servers");
  script_copyright("This script is Copyright (C) 2009 Greenbone Networks GmbH");
  script_dependencies("nginx_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("nginx/installed");

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

  script_tag(name:"solution", value:"Updates are available. Please see the references for more information.");

  script_tag(name:"summary", value:"The 'nginx' program is prone to a buffer-overflow vulnerability
because the application fails to perform adequate boundary checks on user-supplied data.

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 condition.");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!version = get_app_version(cpe: CPE, port: port))
  exit(0);

if (version_in_range(version:version, test_version:"0.7", test_version2: "0.7.61") ||
    version_in_range(version:version, test_version:"0.6", test_version2: "0.6.38") ||
    version_in_range(version:version, test_version:"0.5", test_version2: "0.5.37") ||
    version_in_range(version:version, test_version:"0.4", test_version2: "0.4.14")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);