MikroTik RouterOS Path Traversal (CVE-2018-14847)

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

include('compat.inc');

if (description)
{
  script_id(502066);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/27");

  script_cve_id("CVE-2018-14847");
  script_xref(name:"EDB-ID", value:"45578");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/06/01");

  script_name(english:"MikroTik RouterOS Path Traversal (CVE-2018-14847)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"MikroTik RouterOS through 6.42 allows unauthenticated remote attackers
to read arbitrary files and remote authenticated attackers to write
arbitrary files due to a directory traversal vulnerability in the
WinBox interface.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"https://github.com/BasuCert/WinboxPoC");
  script_set_attribute(attribute:"see_also", value:"https://github.com/BigNerd95/WinboxExploit");
  # https://github.com/tenable/routeros/blob/master/bug_hunting_in_routeros_derbycon_2018.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?25ba70ca");
  script_set_attribute(attribute:"see_also", value:"https://github.com/tenable/routeros/tree/master/poc/bytheway");
  script_set_attribute(attribute:"see_also", value:"https://github.com/tenable/routeros/tree/master/poc/cve_2018_14847");
  script_set_attribute(attribute:"see_also", value:"https://n0p.me/winbox-bug-dissection/");
  script_set_attribute(attribute:"see_also", value:"https://www.exploit-db.com/exploits/45578/");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-14847");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(22);

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/08/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/08/02");
  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");
  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) 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" :
        {"versionEndIncluding" : "6.42", "family" : "RouterOS"}
};

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