WordPress '.php' Files Information Disclosure Vulnerability

# Copyright (C) 2011 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:wordpress:wordpress";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902741");
  script_version("2023-03-01T10:20:04+0000");
  script_tag(name:"last_modification", value:"2023-03-01 10:20:04 +0000 (Wed, 01 Mar 2023)");
  script_tag(name:"creation_date", value:"2011-09-30 15:58:03 +0200 (Fri, 30 Sep 2011)");
  script_cve_id("CVE-2011-3818");
  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_name("WordPress '.php' Files Information Disclosure Vulnerability");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("wordpress/http/detected");

  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=741301");
  script_xref(name:"URL", value:"https://www.infosecisland.com/alertsview/16806-CVE-2011-3818-wordpress.html");
  script_xref(name:"URL", value:"http://code.google.com/p/inspathx/source/browse/trunk/paths_vuln/wordpress_2.9.2");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to gain sensitive
  information.");

  script_tag(name:"affected", value:"WordPress version 2.9.2 and 3.0.4");

  script_tag(name:"insight", value:"The flaw is due to error in certain '.php' files. A direct request
  to these files reveals the installation path in an error message.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore.
  General solution options are to upgrade to a newer release, disable respective
  features, remove the product or replace the product by another one.");

  script_tag(name:"summary", value:"WordPress is prone to an information disclosure vulnerability.");

  script_tag(name:"qod_type", value:"remote_active");
  script_tag(name:"solution_type", value:"WillNotFix");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("host_details.inc");

if(!port = get_app_port(cpe:CPE, service:"www"))
  exit(0);

if(!dir = get_app_location(cpe:CPE, port:port))
  exit(0);

if(dir == "/")
  dir = "";

url = dir + "/wp-admin/includes/user.php";

if(http_vuln_check(port:port, url:url, pattern:"<b>Fatal error</b>:  ?Call to undefined function add_action\(\).*/wp-admin/includes/user\.php")){
  report = http_report_vuln_url(port:port, url:url);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);