Xerox Phaser 4622 Out-of-bounds Write (CVE-2021-37354)

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

include('compat.inc');

if (description)
{
  script_id(505556);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/27");

  script_cve_id("CVE-2021-37354");

  script_name(english:"Xerox Phaser 4622 Out-of-bounds Write (CVE-2021-37354)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Xerox Phaser 4622 v35.013.01.000 was discovered to contain a buffer
overflow in the function sub_3226AC via the TIMEZONE variable. This
vulnerability allows attackers to cause a Denial of Service (DoS) via
crafted overflow data.

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/Ainevsia/CVE-Request/tree/main/Xerox/1");
  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:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-37354");
  script_cwe_id(787);

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/02/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/02/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/27");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:phaser_4622_firmware:35.013.01.000");
  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/Xerox");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Xerox');

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

var vuln_cpes = {
    "cpe:/o:xerox:phaser_4622_firmware:35.013.01.000" :
        {"versionEndIncluding" : "35.013.01.000", "versionStartIncluding" : "35.013.01.000", "family" : "Phaser"}
};

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