Siemens SIMATIC Improper Certificate Validation (CVE-2012-3037)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(500030);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/04");

  script_cve_id("CVE-2012-3037");
  script_xref(name:"ICSA", value:"12-263-01");

  script_name(english:"Siemens SIMATIC Improper Certificate Validation (CVE-2012-3037)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the
private key of the SIMATIC CONTROLLER Certification Authority
certificate, which allows remote attackers to spoof the S7-1200 web
server by using this key to create a forged certificate.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"http://www.us-cert.gov/control_systems/pdf/ICSA-12-263-01.pdf");
  script_set_attribute(attribute:"see_also", value:"http://en.securitylab.ru/lab/PT-2012-48");
  # http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-240718.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6993cc94");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2012-3037");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(295);

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/09/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/09/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/07");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1211c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1212c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1212fc_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1214_fc_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1214c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1215_fc_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1215c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_cpu_1217c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1200_firmware");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Siemens");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Siemens');

var asset = tenable_ot::assets::get(vendor:'Siemens');

var vuln_cpes = {
    "cpe:/o:siemens:simatic_s7-1200_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1211c_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1212c_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1212fc_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1214_fc_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1214c_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1215_fc_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1215c_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"},
    "cpe:/o:siemens:simatic_s7-1200_cpu_1217c_firmware" :
        {"versionEndExcluding" : "3.0.0", "versionStartIncluding" : "2.0.0", "family" : "S71200"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);