PHP 'timelib_meridian' Heap Based Buffer Overflow Vulnerability - Windows

# 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:/a:php:php";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.812072");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2017-16642");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-08-19 11:15:00 +0000 (Mon, 19 Aug 2019)");
  script_tag(name:"creation_date", value:"2017-11-09 18:44:32 +0530 (Thu, 09 Nov 2017)");
  script_name("PHP 'timelib_meridian' Heap Based Buffer Overflow Vulnerability - Windows");

  script_tag(name:"summary", value:"PHP is prone to a heap buffer overflow vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists due to an error in the date
  extension's 'timelib_meridian' handling of 'front of' and 'back of' directives.");

  script_tag(name:"impact", value:"Successfully exploiting this issue allow
  attacker to execute arbitrary code with elevated privileges within the context
  of a privileged process.");

  script_tag(name:"affected", value:"PHP versions before 5.6.32, 7.x before 7.0.25,
  and 7.1.x before 7.1.11");

  script_tag(name:"solution", value:"Update to PHP version 5.6.32, 7.0.25, 7.1.11,
  or later.");

  script_xref(name:"URL", value:"http://php.net/ChangeLog-5.php");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/101745");
  script_xref(name:"URL", value:"http://php.net/ChangeLog-7.php");
  script_xref(name:"URL", value:"https://bugs.php.net/bug.php?id=75055");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"remote_banner");
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Buffer overflow");
  script_dependencies("secpod_php_smb_login_detect.nasl", "gb_php_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("php/detected", "Host/runs_windows");

  exit(0);
}

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

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

if(version_is_less(version:vers, test_version:"5.6.32")){
  fix = "5.6.32";
}

else if(version_in_range(version:vers, test_version:"7.0", test_version2:"7.0.24")){
  fix = "7.0.25";
}

else if(vers =~ "^7\.1" && version_is_less(version:vers, test_version:"7.1.11")){
  fix = "7.1.11";
}

if(fix) {
  report = report_fixed_ver(installed_version:vers, fixed_version:fix, install_path:path);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);