Dell Optimizer 6.x < 6.3.1.0 Privilege Escalation (DSA-2026-094)

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

include('compat.inc');

if (description)
{
  script_id(301104);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/09");

  script_cve_id("CVE-2026-25906");
  script_xref(name:"IAVA", value:"2026-A-0198");

  script_name(english:"Dell Optimizer 6.x < 6.3.1.0 Privilege Escalation (DSA-2026-094)");

  script_set_attribute(attribute:"synopsis", value:
"Dell Optimizer installed on the remote host is affected by a privilege escalation vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Dell Optimizer installed on the remote host is 6.x prior to 6.3.1.0. It is, therefore, affected by a
vulnerability:

  - An improper link resolution before file access vulnerability that could allow a low privileged attacker with local
    access to exploit this vulnerability, leading to elevation of privileges. (CVE-2026-25906)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.dell.com/support/kbdoc/en-us/000427608/dsa-2026-094");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Dell Optimizer version 6.3.1.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2026-25906");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/03/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/03/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/03/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:dell:precision_optimizer");
  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) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("dell_optimizer_win_installed.nbin");
  script_require_keys("installed_sw/Dell Optimizer");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'windows'}}
  ],
  'checks': [
    {
      'product': {'name': 'Dell Optimizer', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'min_version': '6.0.0.0', 'fixed_version': '6.3.1.0'}
      ]
    }
  ]
};
var result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:result);