EPSON WF-2861 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2018-18959)

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

include('compat.inc');

if (description)
{
  script_id(505066);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/21");

  script_cve_id("CVE-2018-18959");

  script_name(english:"EPSON WF-2861 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2018-18959)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An issue was discovered on Epson WorkForce WF-2861 10.48 LQ22I3,
10.51.LQ20I6 and 10.52.LQ17IA devices. On the 'Air Print Setting' web
page, if the data for 'Bonjour Service Location' at
/PRESENTATION/BONJOUR is more than 251 bytes when sending data for Air
Print Setting, then the device no longer functions until a reboot.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
# https://github.com/epistemophilia/CVEs/blob/master/Epson-WorkForce-WF2861/CVE-2018-18959/poc-cve-2018-18959.py
# script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d89430ae");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/UI:N/S:U/C:N/I:N/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-2018-18959");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(119);

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/12/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/02/05");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:epson:epson_workforce_wf-2861_firmware:10.48_lq22i3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:epson:epson_workforce_wf-2861_firmware:10.51.lq20i6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:epson:epson_workforce_wf-2861_firmware:10.52.lq17ia");
  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) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/EPSON');

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

var vuln_cpes = {
    "cpe:/o:epson:epson_workforce_wf-2861_firmware:10.48_lq22i3" :
        {"versionEndIncluding" : "10.48_lq22i3", "versionStartIncluding" : "10.48_lq22i3", "family" : "EPSON"},
    "cpe:/o:epson:epson_workforce_wf-2861_firmware:10.51.lq20i6" :
        {"versionEndIncluding" : "10.51.lq20i6", "versionStartIncluding" : "10.51.lq20i6", "family" : "EPSON"},
    "cpe:/o:epson:epson_workforce_wf-2861_firmware:10.52.lq17ia" :
        {"versionEndIncluding" : "10.52.lq17ia", "versionStartIncluding" : "10.52.lq17ia", "family" : "EPSON"}
};

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