Schneider Electric Modicon NULL Pointer Dereference (CVE-2021-22792)

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

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

if (description)
{
  script_id(500510);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/20");

  script_cve_id("CVE-2021-22792");

  script_name(english:"Schneider Electric Modicon NULL Pointer Dereference (CVE-2021-22792)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A CWE-476: NULL Pointer Dereference vulnerability that could cause a Denial of Service on the Modicon PLC controller /
simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU
(part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part
numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for
EcoStruxure Control Expert, including all Unity Pro versions (former name of EcoStruxure Control Expert, all versions),
PLC Simulator for EcoStruxure Process Expert including all HDCS versions (former name of EcoStruxure Process Expert, all
versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all
versions).  

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more
information.");
  # https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-07
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?99d5898a");
  # https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-04
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e12d2350");
  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:N/A:P");
  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:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-22792");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(476);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/09/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/09/02");
  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:/h:schneider-electric:modicon_m340_bmxp341000:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m340_bmxp342010:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m340_bmxp342020:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m340_bmxp342030:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh582040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh582040c:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh582040s:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh584040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh584040c:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh584040s:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh586040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh586040c:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmeh586040s:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep581020:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep581020h:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep582020:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep582020h:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep582040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep582040h:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep582040s:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep583020:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep583040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep584020:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep584040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep584040s:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep585040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep585040c:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep586040:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_m580_bmep586040c:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_momentum_171cbu78090:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_momentum_171cbu98090:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_momentum_171cbu98091:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_1634m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_2634m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_2834m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_454m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_4634m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_554m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_5634m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_premium_tsxp57_6634m:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_quantum_140cpu65150:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_quantum_140cpu65150c:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_quantum_140cpu65160:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:modicon_quantum_140cpu65160c:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:plc_simulator_for_ecostruxure_control_expert:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:schneider-electric:plc_simulator_for_ecostruxure_process_expert:-");
  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:/h:schneider-electric:modicon_m340_bmxp341000:-" :
        {"versionEndExcluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/h:schneider-electric:modicon_m340_bmxp342010:-" :
        {"versionEndExcluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/h:schneider-electric:modicon_m340_bmxp342020:-" :
        {"versionEndExcluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/h:schneider-electric:modicon_m340_bmxp342030:-" :
        {"versionEndExcluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh582040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh582040c:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh582040s:-" :
        {"family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh584040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh584040c:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh584040s:-" :
        {"family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh586040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh586040c:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmeh586040s:-" :
        {"family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep581020:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep581020h:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep582020:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep582020h:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep582040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep582040h:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep582040s:-" :
        {"family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep583020:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep583040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep584020:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep584040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep584040s:-" :
        {"family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep585040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep585040c:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep586040:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_m580_bmep586040c:-" :
        {"versionEndExcluding" : "4.10", "family" : "ModiconM580"},
    "cpe:/h:schneider-electric:modicon_momentum_171cbu78090:-" :
        {"versionEndExcluding" : "2.6", "family" : "MomentumUnity"},
    "cpe:/h:schneider-electric:modicon_momentum_171cbu98090:-" :
        {"versionEndExcluding" : "2.6", "family" : "MomentumUnity"},
    "cpe:/h:schneider-electric:modicon_momentum_171cbu98091:-" :
        {"versionEndExcluding" : "2.6", "family" : "MomentumUnity"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_1634m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_2634m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_2834m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_454m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_4634m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_554m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_5634m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_premium_tsxp57_6634m:-" :
        {"family" : "Premium"},
    "cpe:/h:schneider-electric:modicon_quantum_140cpu65150:-" :
        {"family" : "QuantumUnity"},
    "cpe:/h:schneider-electric:modicon_quantum_140cpu65150c:-" :
        {"family" : "QuantumUnity"},
    "cpe:/h:schneider-electric:modicon_quantum_140cpu65160:-" :
        {"family" : "QuantumUnity"},
    "cpe:/h:schneider-electric:modicon_quantum_140cpu65160c:-" :
        {"family" : "QuantumUnity"}
};

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