Moxa EDS Ethernet Switches Uncontrolled Resource Consumption (CVE-2019-19707)

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

include('compat.inc');

if (description)
{
  script_id(501516);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/04");

  script_cve_id("CVE-2019-19707");

  script_name(english:"Moxa EDS Ethernet Switches Uncontrolled Resource Consumption (CVE-2019-19707)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"On Moxa EDS-G508E, EDS-G512E, and EDS-G516E devices (with firmware
through 6.0), denial of service can occur via PROFINET DCE-RPC
endpoint discovery packets.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://www.moxa.com/en/support/support/security-advisory/eds-g508e-g512e-g516e-series-ethernet-switches-vulnerabilities
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c2924a52");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-19-353-01");
  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 has developed a patch to address the vulnerability. Users can contact Moxa Technical Support (logon required) for
the security patch. Users can also view Moxa’s security advisory published on this vulnerability.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  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-2019-19707");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/12/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/12/11");
  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:eds-g508e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:eds-g512e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:eds-g516e_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:eds-g508e_firmware" :
        {"versionEndIncluding" : "6.0", "family" : "MoxaEDS"},
    "cpe:/o:moxa:eds-g512e_firmware" :
        {"versionEndIncluding" : "6.0", "family" : "MoxaEDS"},
    "cpe:/o:moxa:eds-g516e_firmware" :
        {"versionEndIncluding" : "6.0", "family" : "MoxaEDS"}
};

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