Brocade Fabric OS < 9.2.1c2 / 9.2.2 < 9.2.2b / 10.0.0 Information Disclosure (CVE-2026-0383)

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

include('compat.inc');

if (description)
{
  script_id(299689);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/23");

  script_cve_id("CVE-2026-0383");

  script_name(english:"Brocade Fabric OS < 9.2.1c2 / 9.2.2 < 9.2.2b / 10.0.0 Information Disclosure (CVE-2026-0383)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Brocade FabricOS host is affected by an information disclosure vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Brocade FabricOS installed on the remote host is prior to 9.2.1c2, or 9.2.2 prior to 9.2.2b, or 10.0.0
prior to 10.0.0a. It is, therefore, affected by an information disclosure vulnerability:

  - A vulnerability in Brocade Fabric OS could allow an authenticated, local attacker with privileges to access the
    Bash shell to access insecurely stored file contents including the history command. (CVE-2026-0383)

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/0/36851
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b04cfb74");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Brocade FabricOS 9.2.1c2 / 9.2.2b / 10.0.0a 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:N/VA:N/SC:H/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-2026-0383");

  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': '9.2.1c2'},
        {'min_version': '9.2.2', 'fixed_version': '9.2.2b'},
        {'min_version': '10.0.0', 'fixed_version': '10.0.0a'}
      ]
    }
  ]
};

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