Palo Alto PAN-OS PAN-SA-2016-0004

# SPDX-FileCopyrightText: 2016 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("1.3.6.1.4.1.25623.1.0.105564");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2016-3656");
  script_name("Palo Alto PAN-OS PAN-SA-2016-0004");

  script_xref(name:"URL", value:"https://securityadvisories.paloaltonetworks.com/Home/Detail/37");

  script_tag(name:"summary", value:"When a PAN-OS device is configured as a GlobalProtect web portal, a specially crafted request to the portal could result in a crash of the service.");

  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 releases 5.0.18 and newer, 6.0.13 and newer, 6.1.10 and newer, 7.0.5H2 and newer");

  script_tag(name:"impact", value:"This issue can be exploited remotely by an attacker with network access to the GlobalProtect portal in order to cause a denial-of-service (DoS) via a service crash.");

  script_tag(name:"affected", value:"PAN-OS releases 5.0.17 and prior, 6.0.12 and prior, 6.1.9 and prior, 7.0.5 and prior");
  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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-02-17 16:15:00 +0000 (Mon, 17 Feb 2020)");
  script_tag(name:"creation_date", value:"2016-03-07 14:20:25 +0100 (Mon, 07 Mar 2016)");
  script_category(ACT_GATHER_INFO);
  script_family("Palo Alto PAN-OS Local Security Checks");
  script_copyright("Copyright (C) 2016 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_in_range( version:version, test_version:"5.0", test_version2:"5.0.17" ) ) fix = '5.0.18';
if( version_in_range( version:version, test_version:"6.0", test_version2:"6.0.12" ) ) fix = '6.0.13';
if( version_in_range( version:version, test_version:"6.1", test_version2:"6.1.9" ) )  fix = '6.1.10';
if( version_in_range( version:version, test_version:"7.0", test_version2:"7.0.4" ) )  fix = '7.0.5H2';

if( version == "7.0.5" )
{
  hotfix = get_kb_item( "palo_alto_pan_os/hotfix" );
  if( ! hotfix || int( hotfix ) < int( 2 ) ) fix = '7.0.5H2';
}

if( fix )
{
  report = 'Installed version: ' + version + '\n' +
           'Fixed version:     ' + fix;

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

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

exit( 99 );