Gladinet CentreStack < 16.4.10315.56368 Hard-coded Cryptographic Key

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

include('compat.inc');

if (description)
{
  script_id(241071);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/07/02");

  script_cve_id("CVE-2025-30406");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2025/04/29");

  script_name(english:"Gladinet CentreStack < 16.4.10315.56368 Hard-coded Cryptographic Key");

  script_set_attribute(attribute:"synopsis", value:
"An application running on the remote web server is affected by a hard-coded cryptographic key vulnerability.");
  script_set_attribute(attribute:"description", value:
"Gladinet CentreStack through 16.1.10296.56315 (fixed in 16.4.10315.56368) has a deserialization vulnerability due to
the CentreStack portal's hardcoded machineKey use, as exploited in the wild in March 2025. This enables threat actors
(who know the machineKey) to serialize a payload for server-side deserialization to achieve remote code execution.
NOTE: a CentreStack admin can manually delete the machineKey defined in portal\web.config.

Note that Nessus has not tested for this issue but has instead relied only on the application's 
self-reported version number.");
  # https://gladinetsupport.s3.us-east-1.amazonaws.com/gladinet/securityadvisory-cve-2005.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ad259e62");
  script_set_attribute(attribute:"solution", value:
"Upgrade Gladinet CentreStack according to the vendor advisory.");
  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:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-30406");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Gladinet CentreStack/Triofox ASP.NET ViewState Deserialization');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/04/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/04/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/07/01");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:gladinet:centrestack");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

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

  script_dependencies("gladinet_centrestack_detect.nbin");
  script_require_keys("installed_sw/Gladinet CentreStack");
  script_require_ports("Services/www", 443);

  exit(0);
}

include('vcf.inc');
include('http.inc');


var app = 'Gladinet CentreStack';
get_install_count(app_name:app, exit_if_zero:TRUE);

var port = get_http_port(default:443);

var app_info = vcf::get_app_info(app:app, port:port, webapp:TRUE);

var constraints = [
  { 'fixed_version' : '16.4.10315.56368' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_HOLE
);