Siemens SIMATIC S7-1200 SSL Private Key Reuse Spoofing Vulnerability (SSA-240718)

# Copyright (C) 2012 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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:siemens:simatic_s7_1200";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103571");
  script_cve_id("CVE-2012-3037");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_version("2022-04-27T04:20:28+0000");

  script_name("Siemens SIMATIC S7-1200 SSL Private Key Reuse Spoofing Vulnerability (SSA-240718)");

  script_xref(name:"URL", value:"http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-240718.pdf");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/55559");

  script_tag(name:"last_modification", value:"2022-04-27 04:20:28 +0000 (Wed, 27 Apr 2022)");
  script_tag(name:"creation_date", value:"2012-09-20 10:18:56 +0200 (Thu, 20 Sep 2012)");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_copyright("Copyright (C) 2012 Greenbone Networks GmbH");
  script_dependencies("gb_siemens_simatic_s7_consolidation.nasl");
  script_mandatory_keys("siemens/simatic_s7/detected");

  script_tag(name:"summary", value:"Siemens SIMATIC S7-1200 devices are prone to a security
  vulnerability that may allow attackers to spoof SSL certificates.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"impact", value:"Attackers can exploit this issue to display incorrect SSL
  certificates. Successful exploits will cause victims to accept the certificates assuming they are
  from a legitimate site.");

  script_tag(name:"affected", value:"Siemens SIMATIC S7-1200 versions 2.x are vulnerable. Other
  versions may also be affected.");

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

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

  exit(0);
}

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

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

if(version =~ "^2\.") {
  report = report_fixed_ver(installed_version: version, fixed_version: "See references");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);