Mozilla Firefox < 140.0

#%NASL_MIN_LEVEL 80900
## 
# (C) Tenable, Inc.
#                                  
# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2025-51.
# The text itself is copyright (C) Mozilla Foundation.
##

include('compat.inc');

if (description)
{
  script_id(240333);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/11/18");

  script_cve_id(
    "CVE-2025-6424",
    "CVE-2025-6425",
    "CVE-2025-6426",
    "CVE-2025-6427",
    "CVE-2025-6428",
    "CVE-2025-6429",
    "CVE-2025-6430",
    "CVE-2025-6431",
    "CVE-2025-6432",
    "CVE-2025-6433",
    "CVE-2025-6434",
    "CVE-2025-6435",
    "CVE-2025-6436"
  );
  script_xref(name:"IAVA", value:"2025-A-0451-S");

  script_name(english:"Mozilla Firefox < 140.0");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Firefox installed on the remote macOS or Mac OS X host is prior to 140.0. It is, therefore, affected by
multiple vulnerabilities as referenced in the mfsa2025-51 advisory.

  - Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of
    memory corruption and we presume that with enough effort some of these could have been exploited to run
    arbitrary code. (CVE-2025-6436)

  - If a user visited a webpage with an invalid TLS certificate, and granted an exception, the webpage was
    able to provide a WebAuthn challenge that the user would be prompted to complete.  This is in violation of
    the WebAuthN spec which requires a secure transport established without errors. (CVE-2025-6433)

  - A use-after-free in FontFaceSet resulted in a potentially exploitable crash. (CVE-2025-6424)

  - An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID
    that identified the browser, and persisted between containers and normal/private browsing mode, but not
    profiles. (CVE-2025-6425)

  - The executable file warning did not warn users before opening files with the <code>terminal</code>
    extension.  This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.
    (CVE-2025-6426)

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/mfsa2025-51/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox version 140.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:H/I:H/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-2025-6436");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2025-6433");

  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:"2025/06/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/06/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/24");

  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_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

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

  script_dependencies("macosx_firefox_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": "macos"
      }
    }
  ],
  "checks": [
    {
      "product": {
        "name": "Mozilla Firefox",
        "type": "app"
      },
      "check_algorithm": "default",
      "constraints": [
        {
          "fixed_version": "140.0"
        }
      ]
    }
  ]
};

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