Brocade Fabric OS < 9.2.1c3 / 9.2.2 < 9.2.2c Local Privilege Escalation (CVE-2025-9711)

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

include('compat.inc');

if (description)
{
  script_id(299688);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/23");

  script_cve_id("CVE-2025-9711");

  script_name(english:"Brocade Fabric OS < 9.2.1c3 / 9.2.2 < 9.2.2c Local Privilege Escalation (CVE-2025-9711)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Brocade FabricOS host is affected by a local privilege escalation vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Brocade FabricOS installed on the remote host is prior to 9.2.1c3, or 9.2.2 prior to 9.2.2c. It is,
therefore, affected by a local privilege escalation vulnerability:

  - A vulnerability in Brocade Fabric OS could allow elevating the privileges of the local authenticated user to root
    using the export option of seccertmgmt and seccryptocfg commands. (CVE-2025-9711)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36852
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4447f9f5");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Brocade FabricOS 9.2.1c3 / 9.2.2c 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:"cvss4_vector", value:"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-9711");

  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:"2026/01/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/01/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/02/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:brocade:fabric_os");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:broadcom:fabric_operating_system");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("brocade_fabricos_detect.nbin");
  script_require_keys("installed_sw/Brocade FabricOS");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'Brocade FabricOS', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'fixed_version': '9.2.1c3'},
        {'min_version': '9.2.2', 'fixed_version': '9.2.2c'}
      ]
    }
  ]
};

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