MikroTik RouterOS Allocation of Resources Without Limits or Throttling (CVE-2019-13954)

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

include('compat.inc');

if (description)
{
  script_id(502040);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/28");

  script_cve_id("CVE-2019-13954");

  script_name(english:"MikroTik RouterOS Allocation of Resources Without Limits or Throttling (CVE-2019-13954)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Mikrotik RouterOS before 6.44.5 (long-term release tree) is vulnerable
to memory exhaustion. By sending a crafted HTTP request, an
authenticated remote attacker can crash the HTTP server and in some
circumstances reboot the system. Malicious code cannot be injected.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # http://packetstormsecurity.com/files/153733/Mikrotik-RouterOS-Resource-Stack-Exhaustion.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?000600fe");
  script_set_attribute(attribute:"see_also", value:"https://seclists.org/fulldisclosure/2019/Jul/20");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:L/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-2019-13954");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(770);

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/07/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/02/27");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.44.5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.45");
  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/MikroTik");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/MikroTik');

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

var vuln_cpes = {
    "cpe:/o:mikrotik:routeros:6.44.5" :
        {"versionEndExcluding" : "6.44.5", "family" : "RouterOS"},
    "cpe:/o:mikrotik:routeros:6.45" :
        {"versionEndIncluding" : "6.45", "versionStartIncluding" : "6.45", "family" : "RouterOS"}
};

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