PHP 5.2.11, 5.3.0 Multiple Restriction-Bypass Vulnerabilities

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.100281");
  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:"2009-10-01 18:57:31 +0200 (Thu, 01 Oct 2009)");
  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_cve_id("CVE-2009-3557", "CVE-2009-3558");

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

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

  script_name("PHP 5.2.11, 5.3.0 Multiple Restriction-Bypass Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_php_consolidation.nasl");
  script_mandatory_keys("php/detected");

  script_tag(name:"summary", value:"PHP is prone to a 'safe_mode' and to a 'open_basedir'
  restriction bypass vulnerability.");

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

  script_tag(name:"insight", value:"This vulnerability would be an issue in shared-hosting
  configurations where multiple users can create and execute arbitrary PHP script code. The
  'safe_mode' and the 'open_basedir' restrictions are assumed to isolate users from each other.");

  script_tag(name:"impact", value:"Successful exploits could allow an attacker to access files in
  unauthorized locations or create files in any writable directory and in unauthorized locations.");

  script_tag(name:"affected", value:"PHP versions 5.2.11 and 5.3.0 are vulnerable. Other versions
  may also be affected.");

  script_tag(name:"solution", value:"Update to version 5.2.12, 5.3.1 or later.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36555");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36554");
  script_xref(name:"URL", value:"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/standard/file.c?view=log");
  script_xref(name:"URL", value:"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/standard/file.c?view=log");
  script_xref(name:"URL", value:"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/posix/posix.c?view=log");
  script_xref(name:"URL", value:"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/posix/posix.c?view=log");
  script_xref(name:"URL", value:"http://securityreason.com/securityalert/6601");
  script_xref(name:"URL", value:"http://securityreason.com/securityalert/6600");

  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_equal(version: version, test_version: "5.2.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.2.12", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_is_equal(version: version, test_version: "5.3.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.3.1", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);