Palo Alto PAN-OS Kernel Vulnerability

# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/o:paloaltonetworks:pan-os";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140175");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2016-5195");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_version("2026-04-28T06:28:06+0000");

  script_name("Palo Alto PAN-OS Kernel Vulnerability");

  script_xref(name:"URL", value:"https://securityadvisories.paloaltonetworks.com/Home/Detail/73");

  script_tag(name:"summary", value:"A vulnerability exists in the kernel of PAN-OS that may result in an elevation of privilege. This issue is publicly known as Dirty COW.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
  script_tag(name:"solution", value:"Update to PAN-OS 7.1.8 or later.");

  script_tag(name:"affected", value:"PAN-OS 5.1, PAN-OS 6.0, PAN-OS 6.1, PAN-OS 7.0, PAN-OS 7.1.7 and earlier.");
  script_tag(name:"solution_type", value:"VendorFix");

  script_tag(name:"qod_type", value:"package");

  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-07-24 14:27:14 +0000 (Wed, 24 Jul 2024)");
  script_tag(name:"creation_date", value:"2017-02-22 16:10:55 +0100 (Wed, 22 Feb 2017)");
  script_category(ACT_GATHER_INFO);
  script_family("Palo Alto PAN-OS Local Security Checks");
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_dependencies("gb_paloalto_panos_consolidation.nasl");
  script_mandatory_keys("palo_alto_pan_os/version");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! version = get_app_version( cpe:CPE, nofork:TRUE ) ) exit( 0 );

model = get_kb_item( "palo_alto_pan_os/model" );

if( version_is_less( version:version, test_version:"7.1.8" ) )
{
  report = report_fixed_ver(installed_version: version, fixed_version: "7.1.8");

  if( model )
    report += '\nModel:             ' + model;

  security_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );