Citrix XenServer VM Tools for Windows < 9.4.1 Multiple Vulnerabilities

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

include('compat.inc');

if (description)
{
  script_id(237466);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/05/29");

  script_cve_id("CVE-2025-27462", "CVE-2025-27463", "CVE-2025-27464");
  script_xref(name:"IAVA", value:"2025-A-0380");

  script_name(english:"Citrix XenServer VM Tools for Windows < 9.4.1 Multiple Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"Citrix XenServer VM Tools for Windows running on the remote host is affected by multiple vulnerabilities");
  script_set_attribute(attribute:"description", value:
"The version of Citrix XenServer VM Tools for Windows installed on the remote host is potentially affected by arbitrary
code execution vulnerabilities due to a lack of security descriptors.

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://xenbits.xenproject.org/xsa/advisory-468.html");
  # https://support.citrix.com/s/article/CTX692748-xenserver-and-citrix-hypervisor-security-update-for-cve202527462-cve202527463-cve202527464?language=en_US
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bc095f6d");
  script_set_attribute(attribute:"solution", value:
"Upgrade to XenServer VM Tools for Windows 9.4.1 or later");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-27462");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/05/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/05/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/05/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/a:citrix:xenserver_vm_tools");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

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

  script_dependencies("xenserver_vm_tools_for_windows_installed.nbin");
  script_require_keys("installed_sw/XenServer VM Tools", "SMB/Registry/Enumerated");

  exit(0);
}

include('vcf.inc');

get_kb_item_or_exit('SMB/Registry/Enumerated');

var app_info = vcf::get_app_info(app:'XenServer VM Tools', win_local:true);

# Not checking for patches or XenServer 8.4 and Citrix Hypervisor 8.2 CU1 LTSR, so paranoid
var constraints = [
  { 'fixed_version' : '9.4.1', 'require_paranoia': true }
];

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