Schneider Electric Modicon Weak Password Recovery Mechanism for Forgotten Password (CVE-2018-7811)

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

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

if (description)
{
  script_id(500276);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/30");

  script_cve_id("CVE-2018-7811");

  script_name(english:"Schneider Electric Modicon Weak Password Recovery Mechanism for Forgotten Password (CVE-2018-7811)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An Unverified Password Change vulnerability exists in the embedded web
servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200
which could allow an unauthenticated remote user to access the change
password function of the web server

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:"https://www.tenable.com/security/research/tra-2018-38");
  script_set_attribute(attribute:"see_also", value:"https://security.cse.iitk.ac.in/responsible-disclosure");
  # https://download.schneider-electric.com/files?p_Doc_Ref=SESB-2018-327-01
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f5951abc");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-7811");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(640);

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/11/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/11/30");
  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:schneider-electric:modicom_bmxnor0200h_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicom_bmxnor0200_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicom_m340_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicom_premium_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicom_quantum_firmware");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Schneider');

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

var vuln_cpes = {
    "cpe:/o:schneider-electric:modicom_m340_firmware" :
        {"family" : "ModiconM340"},
    "cpe:/o:schneider-electric:modicom_premium_firmware" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:modicom_quantum_firmware" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:modicom_bmxnor0200h_firmware" :
        {"family" : "ModiconM340M580CP"},
    "cpe:/o:schneider-electric:modicom_bmxnor0200_firmware" :
        {"family" : "ModiconM340M580CP"}
};

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