Schneider Electric SNMP Information Exposure (CVE-2019-6806)

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

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

if (description)
{
  script_id(500316);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/24");

  script_cve_id("CVE-2019-6806");

  script_name(english:"Schneider Electric SNMP Information Exposure (CVE-2019-6806)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum,
and Modicon Premium which could cause the disclosure of SNMP information when reading variables in the controller using
Modbus.  

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more
information.");
  # https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0769
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3833b92e");
  # https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-134-11
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a432fe19");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-6806");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/22");
  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:modicon_premium_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicon_quantum_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicon_m340_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicon_m580_series_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) 2022-2024 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:modicon_premium_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:modicon_quantum_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:modicon_m340_series_firmware" :
        {"family" : "ModiconM340"},
    "cpe:/o:schneider-electric:modicon_m580_series_firmware" :
        {"family" : "ModiconM580"}
};

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