PHP 'LibGD' Denial of Service Vulnerability

# Copyright (C) 2014 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:php:php";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.804292");
  script_version("2022-04-14T11:24:11+0000");
  script_cve_id("CVE-2014-2497");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2022-04-14 11:24:11 +0000 (Thu, 14 Apr 2022)");
  script_tag(name:"creation_date", value:"2014-05-09 14:18:22 +0530 (Fri, 09 May 2014)");
  script_name("PHP 'LibGD' Denial of Service Vulnerability");

  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 to a NULL pointer dereference error in 'gdImageCreateFromXpm'
  function within LibGD.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to conduct denial of
  service attacks.");

  script_tag(name:"affected", value:"PHP version 5.x through 5.4.26 and probably other versions.");

  script_tag(name:"solution", value:"Update to PHP version 5.4.32 or 5.5.16 or 5.6.0 or later.");

  script_xref(name:"URL", value:"https://bugs.php.net/bug.php?id=66901");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/66233");

  script_copyright("Copyright (C) 2014 Greenbone Networks GmbH");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_dependencies("secpod_php_smb_login_detect.nasl", "gb_php_ssh_login_detect.nasl", "gb_php_http_detect.nasl");
  script_mandatory_keys("php/detected");

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

  exit(0);
}

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

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

if(!vers = get_app_version(cpe:CPE, port:port))
  exit(0);

if(version_in_range(version:vers, test_version:"5.0.0", test_version2:"5.4.26")){
  report = report_fixed_ver(installed_version:vers, fixed_version:"5.4.32/5.5.16/5.6.0");
  security_message(data:report, port:port);
  exit(0);
}

exit(99);