PHP Multiple Restriction-Bypass Vulnerabilities

# Copyright (C) 2009 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("1.3.6.1.4.1.25623.1.0.100281");
  script_version("2022-05-09T13:48:18+0000");
  script_tag(name:"last_modification", value:"2022-05-09 13:48:18 +0000 (Mon, 09 May 2022)");
  script_tag(name:"creation_date", value:"2009-10-01 18:57:31 +0200 (Thu, 01 Oct 2009)");
  script_cve_id("CVE-2009-3557", "CVE-2009-3558");
  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_name("PHP Multiple Restriction-Bypass Vulnerabilities");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  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_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");

  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 5.2.11 and 5.3.0 are vulnerable. Other versions may also be affected.");

  script_tag(name:"solution", value:"Updates are available. Please see the references for details.");

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

  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_is_equal( version:vers, test_version:"5.2.11" ) ||
    version_is_equal( version:vers, test_version:"5.3.0" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"5.2.12/5.3.1" );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );