Mozilla Firefox < 156.0

#%NASL_MIN_LEVEL 80900
## 
# (C) Tenable, Inc.
#                                  
# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2026-90.
# The text itself is copyright (C) Mozilla Foundation.
## 

include('compat.inc');

if (description)
{
  script_id(345901);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/15");

  script_cve_id(
    "CVE-2026-92005",
    "CVE-2026-92006",
    "CVE-2026-92007",
    "CVE-2026-92008",
    "CVE-2026-92009",
    "CVE-2026-92010",
    "CVE-2026-92011",
    "CVE-2026-92012",
    "CVE-2026-92013",
    "CVE-2026-92015",
    "CVE-2026-92016",
    "CVE-2026-92017",
    "CVE-2026-92018",
    "CVE-2026-92019",
    "CVE-2026-92020",
    "CVE-2026-92022",
    "CVE-2026-92023",
    "CVE-2026-92024",
    "CVE-2026-92025",
    "CVE-2026-92026",
    "CVE-2026-92027",
    "CVE-2026-92028",
    "CVE-2026-92029",
    "CVE-2026-92030",
    "CVE-2026-92031",
    "CVE-2026-92032",
    "CVE-2026-92034",
    "CVE-2026-92035",
    "CVE-2026-92036",
    "CVE-2026-92037",
    "CVE-2026-92038",
    "CVE-2026-92039",
    "CVE-2026-92040",
    "CVE-2026-92041",
    "CVE-2026-92042",
    "CVE-2026-92043",
    "CVE-2026-92044",
    "CVE-2026-92045",
    "CVE-2026-92046",
    "CVE-2026-92047",
    "CVE-2026-92048",
    "CVE-2026-92049",
    "CVE-2026-92050",
    "CVE-2026-92051",
    "CVE-2026-92052",
    "CVE-2026-92053",
    "CVE-2026-92054",
    "CVE-2026-92055",
    "CVE-2026-92056",
    "CVE-2026-92057",
    "CVE-2026-92058",
    "CVE-2026-92059",
    "CVE-2026-92060",
    "CVE-2026-92061",
    "CVE-2026-92062",
    "CVE-2026-92063",
    "CVE-2026-92064",
    "CVE-2026-92065",
    "CVE-2026-92066",
    "CVE-2026-92067",
    "CVE-2026-92068",
    "CVE-2026-92069",
    "CVE-2026-92070",
    "CVE-2026-92071",
    "CVE-2026-92072",
    "CVE-2026-92073",
    "CVE-2026-92074",
    "CVE-2026-92075",
    "CVE-2026-92076",
    "CVE-2026-92077",
    "CVE-2026-92078",
    "CVE-2026-92079"
  );

  script_name(english:"Mozilla Firefox < 156.0");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote Windows host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Firefox installed on the remote Windows host is prior to 156.0. It is, therefore, affected by multiple
vulnerabilities as referenced in the mfsa2026-90 advisory.

  - Privilege escalation in the Memory component. This vulnerability was fixed in Firefox 156 and Firefox ESR
    153.3. (CVE-2026-92054)

  - Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 156, Firefox
    ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3. (CVE-2026-92015)

  - Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156,
    Firefox ESR 140.16, and Firefox ESR 153.3. (CVE-2026-92005)

  - Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This
    vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.
    (CVE-2026-92006, CVE-2026-92007, CVE-2026-92008, CVE-2026-92009, CVE-2026-92010, CVE-2026-92011,
    CVE-2026-92012, CVE-2026-92013)

  - Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was
    fixed in Firefox 156 and Firefox ESR 153.3. (CVE-2026-92035)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2026-90/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox version 156.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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-2026-92015");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2026-92054");

  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:"2026/09/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mozilla:firefox");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  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("mozilla_org_installed.nasl");
  script_require_keys("installed_sw/Mozilla Firefox");

  exit(0);
}

include('vdf.inc');

# @tvdl-content-verify-only
var vuln_data = {
  "metadata": {
    "spec_version": "1.0"
  },
  "requires": [
    {
      "scope": "target",
      "match": {
        "os": "windows"
      }
    }
  ],
  "checks": [
    {
      "product": {
        "name": "Mozilla Firefox",
        "type": "app"
      },
      "check_algorithm": "default",
      "constraints": [
        {
          "fixed_version": "156.0"
        }
      ]
    }
  ]
};

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