Westermo MRD-315 ASP Source Code Disclosure (CVE-2020-7227)

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

include('compat.inc');

if (description)
{
  script_id(502172);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/03");

  script_cve_id("CVE-2020-7227");

  script_name(english:"Westermo MRD-315 ASP Source Code Disclosure (CVE-2020-7227)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Westermo MRD-315 1.7.3 and 1.7.4 devices have an information
disclosure vulnerability that allows an authenticated remote attacker
to retrieve the source code of different functions of the web
application via requests that lack certain mandatory parameters. This
affects ifaces-diag.asp, system.asp, backup.asp, sys-power.asp,
ifaces-wls.asp, ifaces-wls-pkt.asp, and ifaces-wls-pkt-adv.asp.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://sku11army.blogspot.com/2020/01/westermo-source-code-disclousure-in.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5c789542");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:L/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-2020-7227");

  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:"2020/01/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/04/03");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:westermo:mrd-315_firmware:1.7.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:westermo:mrd-315_firmware:1.7.4");
  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) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Westermo');

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

var vuln_cpes = {
    "cpe:/o:westermo:mrd-315_firmware:1.7.3" :
        {"versionEndIncluding" : "1.7.3", "versionStartIncluding" : "1.7.3", "family" : "WestermoCellular"},
    "cpe:/o:westermo:mrd-315_firmware:1.7.4" :
        {"versionEndIncluding" : "1.7.4", "versionStartIncluding" : "1.7.4", "family" : "WestermoCellular"}
};

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