HP Support Assistant < 9.44.18.0 Privilege Escalation

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

include('compat.inc');

if (description)
{
  script_id(238426);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/06/16");

  script_cve_id("CVE-2025-43026");
  script_xref(name:"HP", value:"HPSBGN04022");
  script_xref(name:"IAVB", value:"2023-B-0091-S");

  script_name(english:"HP Support Assistant < 9.44.18.0 Privilege Escalation");

  script_set_attribute(attribute:"synopsis", value:
"An application installed on the remote Windows host is affected by a privilege escalation vulnerability.");
  script_set_attribute(attribute:"description", value:
"A potential security vulnerability has been identified in the HP Support Assistant for versions prior to 9.44.18.0.
The vulnerability could potentially allow a local attacker to escalate privileges via an arbitrary file write.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://support.hp.com/us-en/document/ish_12617979-12618008-16/hpsbgn04022
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c68ef1d6");
  script_set_attribute(attribute:"solution", value:
"Upgrade to HP Support Assistant version 9.44.18.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-43026");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/06/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/06/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:hp:support_assistant");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("hp_support_assistant_installed.nbin");
  script_require_keys("installed_sw/HP Support Assistant");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'HP Support Assistant', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints' : [
        {'fixed_version': '9.44.18.0'}
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);