Schneider Electric Modicon Incorrect Default Permissions (CVE-2018-7822)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(500861);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/24");

  script_cve_id("CVE-2018-7822");

  script_name(english:"Schneider Electric Modicon Incorrect Default Permissions (CVE-2018-7822)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An Incorrect Default Permissions (CWE-276) vulnerability exists in
SoMachine Basic, all versions, and Modicon M221(all references, all
versions prior to firmware V1.10.0.0) which could cause unauthorized
access to SoMachine Basic resource files when logged on the system
hosting SoMachine Basic.

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-2019-045-01
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?76aba565");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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-2018-7822");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(276);

  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:"2023/03/01");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:modicon_m221_series_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) 2023-2024 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_m221_series_firmware" :
        {"versionEndExcluding" : "1.10.0.0", "family" : "ModiconM221"}
};

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