Palo Alto Networks Prisma SD-WAN ION 6.1.x < 6.1.5 / 6.2.x < 6.2.3 DoS (CVE-2023-38802)

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

include('compat.inc');

if (description)
{
  script_id(298999);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/16");

  script_cve_id("CVE-2023-38802");

  script_name(english:"Palo Alto Networks Prisma SD-WAN ION 6.1.x < 6.1.5 / 6.2.x < 6.2.3 DoS (CVE-2023-38802)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Palo Alto Networks Prisma SD-WAN ION device is affected by a denial of service vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of the remote Palo Alto Networks Prisma SD-WAN ION device is 6.1.x prior to 6.1.5, or 6.2.x prior to
6.2.3. It is, therefore, affected by a denial of service vulnerability:

  - FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a
    crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation). (CVE-2023-38802)

Note that Nessus has not tested for this issue but has instead relied only on the device's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security.paloaltonetworks.com/CVE-2023-38802");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Palo Alto Networks Prisma SD-WAN ION version 6.1.5, or 6.2.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:P");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-38802");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/09/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/09/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/02/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:paloaltonetworks:prisma_ion_os");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:paloaltonetworks:prisma_ion");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Palo Alto Local Security Checks");

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

  script_dependencies("palo_alto_prisma_ion_detect.nbin");
  script_require_keys("installed_sw/Palo Alto Networks Prisma ION");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'Palo Alto Networks Prisma ION', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'min_version': '6.1', 'fixed_version':'6.1.5'},
        {'min_version': '6.2', 'fixed_version':'6.2.3'}
      ]
    }
  ]
};

var res = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_HOLE);
vdf::handle_check_and_report_errors(vdf_result:res);