Schneider Electric PowerLogic Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-22714)

##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(500665);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/17");

  script_cve_id("CVE-2021-22714");

  script_name(english:"Schneider Electric PowerLogic Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-22714)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A CWE-119:Improper restriction of operations within the bounds of a memory buffer vulnerability exists in PowerLogic
ION7400, PM8000 and ION9000 (All versions prior to V3.0.0), which could cause the meter to reboot or allow for remote
code execution.

  - A CWE-119:Improper restriction of operations within the bounds of a memory buffer vulnerability exists in
    PowerLogic ION7400, PM8000 and ION9000 (All versions prior to V3.0.0), which could cause the meter to
    reboot or allow for remote code execution. (CVE-2021-22714)

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.se.com/ww/en/download/document/SEVD-2021-068-02");
  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:P/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:H/I:H/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-2021-22714");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(119);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/07/21");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:powerlogic_ion7400_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:powerlogic_ion9000_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:powerlogic_pm8000_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) 2022-2023 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:powerlogic_ion7400_firmware" :
        {"versionEndExcluding" : "3.0.0", "family" : "ION"},
    "cpe:/o:schneider-electric:powerlogic_pm8000_firmware" :
        {"versionEndExcluding" : "3.0.0", "family" : "PowerLogicPM"},
    "cpe:/o:schneider-electric:powerlogic_ion9000_firmware" :
        {"versionEndExcluding" : "3.0.0", "family" : "ION"}
};

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