Moxa EDR 810 Series Improper Input Validation (CVE-2019-10969)

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

include('compat.inc');

if (description)
{
  script_id(501503);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/04");

  script_cve_id("CVE-2019-10969");

  script_name(english:"Moxa EDR 810 Series Improper Input Validation (CVE-2019-10969)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Moxa EDR 810, all versions 5.1 and prior, allows an authenticated
attacker to abuse the ping feature to execute unauthorized commands on
the router, which may allow an attacker to perform remote code
execution.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # http://packetstormsecurity.com/files/154943/Moxa-EDR-810-Command-Injection-Information-Disclosure.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6e32dbd2");
  script_set_attribute(attribute:"see_also", value:"https://www.us-cert.gov/ics/advisories/icsa-19-274-03");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.

Moxa recommends users upgrade to the latest firmware, v5.2 or later.

For more information, please see Moxa’s security advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  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:H/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-10969");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(20);

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/08/02");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:edr-810_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/Moxa");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Moxa');

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

var vuln_cpes = {
    "cpe:/o:moxa:edr-810_firmware" :
        {"versionEndIncluding" : "5.1", "family" : "EDR"}
};

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