Palo Alto GlobalProtect App 6.0.x < 6.0.15 / 6.2.x < 6.2.8-h15 / 6.3.x < 6.3.3-h16 Local DoS (CVE-2026-0314)

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

include('compat.inc');

if (description)
{
  script_id(370479);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/23");

  script_cve_id("CVE-2026-0314");
  script_xref(name:"IAVA", value:"2026-A-1149");

  script_name(english:"Palo Alto GlobalProtect App 6.0.x < 6.0.15 / 6.2.x < 6.2.8-h15 / 6.3.x < 6.3.3-h16 Local DoS (CVE-2026-0314)");

  script_set_attribute(attribute:"synopsis", value:
"A VPN client installed on the remote Windows host is affected by a denial of service vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Palo Alto GlobalProtect App installed on the remote Windows host is 6.0.x prior to 6.0.15, 6.2.x prior
to 6.2.8-h15, or 6.3.x prior to 6.3.3-h16. It is, therefore, affected by a denial of service vulnerability:

  - A type confusion vulnerability in Palo Alto Networks GlobalProtect app on Windows enables a local user
    with low privileges to cause a denial of service (DoS) condition. (CVE-2026-0314)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security.paloaltonetworks.com/CVE-2026-0314");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Palo Alto GlobalProtect App version 6.0.15, 6.2.8-h15, 6.3.3-h16 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/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:N/I:N/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:N/VI:N/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_supplemental", value:"CVSS:4.0/AU:N/R:U/V:D/RE:M/U:Amber");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-0314");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(843);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/10/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:paloaltonetworks:globalprotect");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_end_attributes();

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

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

  script_dependencies("palo_alto_globalprotect_agent_win_installed.nbin");
  script_require_keys("installed_sw/Palo Alto GlobalProtect Agent", "SMB/Registry/Enumerated");

  exit(0);
}

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

get_kb_item_or_exit('SMB/Registry/Enumerated');

# Adds support for -h parsing in version strings.
vcf::palo_alto::initialize();

var app_info = vcf::get_app_info(app:'Palo Alto GlobalProtect Agent', win_local:TRUE);

var constraints = [
  {'min_version' : '6.0.0', 'fixed_version' : '6.0.15'},
  {'min_version' : '6.2.0', 'fixed_version' : '6.2.8-1084', 'fixed_display' : '6.2.8-1084 (6.2.8-h15)'},
  {'min_version' : '6.3.0', 'fixed_version' : '6.3.3-1199', 'fixed_display' : '6.3.3-1199 (6.3.3-h16)'}
];

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