PHP < 5.6.18, 7.x < 7.0.3 DoS Vulnerability (Jul 2016) - Windows

# 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:/a:php:php";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.808608");
  script_version("2025-09-24T05:39:03+0000");
  script_tag(name:"last_modification", value:"2025-09-24 05:39:03 +0000 (Wed, 24 Sep 2025)");
  script_tag(name:"creation_date", value:"2016-07-14 12:14:00 +0530 (Thu, 14 Jul 2016)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-07-20 16:31:00 +0000 (Wed, 20 Jul 2022)");

  script_cve_id("CVE-2016-4343");

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

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("PHP < 5.6.18, 7.x < 7.0.3 DoS Vulnerability (Jul 2016) - Windows");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_php_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("php/detected", "Host/runs_windows");

  script_tag(name:"summary", value:"PHP is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw is due an improper handling of zero-size
  '././@LongLink' files by 'phar_make_dirstream' function in ext/phar/dirstream.c script.");

  script_tag(name:"impact", value:"Successfully exploiting this issue allow remote attackers to
  cause a denial of service (heap memory corruption) or possibly have unspecified other impact.");

  script_tag(name:"affected", value:"PHP prior to version 5.6.18 and 7.x prior to 7.0.3 on
  Windows.");

  script_tag(name:"solution", value:"Update to version 5.6.18, 7.0.3 or later.");

  script_xref(name:"URL", value:"http://www.php.net/ChangeLog-5.php");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/89179");
  script_xref(name:"URL", value:"http://www.openwall.com/lists/oss-security/2016/04/28/2");

  exit(0);
}

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

if (isnull(port = get_app_port(cpe: CPE)))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_is_less(version: version, test_version: "5.6.18")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.6.18", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "7.0.0", test_version_up: "7.0.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.0.3", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);