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openvasCopyright (C) 2014 Greenbone Networks GmbHOPENVAS:1361412562310105910
HistoryMay 14, 2014 - 12:00 a.m.

Apache Struts 'CVE-2014-0094' ClassLoader Manipulation Vulnerabilities (S2-020) (Active Check)

2014-05-1400:00:00
Copyright (C) 2014 Greenbone Networks GmbH
plugins.openvas.org
26

0.971 High

EPSS

Percentile

99.7%

ClassLoader Manipulation allows remote attackers to execute
arbitrary Java code.

# Copyright (C) 2014 Greenbone Networks GmbH
#
# 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("1.3.6.1.4.1.25623.1.0.105910");
  script_version("2020-05-08T08:34:44+0000");
  script_bugtraq_id(65999);
  script_cve_id("CVE-2014-0094");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"last_modification", value:"2020-05-08 08:34:44 +0000 (Fri, 08 May 2020)");
  script_tag(name:"creation_date", value:"2014-05-14 13:53:39 +0700 (Wed, 14 May 2014)");
  script_name("Apache Struts 'CVE-2014-0094' ClassLoader Manipulation Vulnerabilities (S2-020) (Active Check)");
  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2014 Greenbone Networks GmbH");
  script_dependencies("gb_apache_struts2_detection.nasl", "webmirror.nasl");
  script_require_ports("Services/www", 8080, 80);
  script_mandatory_keys("ApacheStruts/installed");

  script_xref(name:"URL", value:"https://cwiki.apache.org/confluence/display/WW/S2-020");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/65999");

  script_tag(name:"summary", value:"ClassLoader Manipulation allows remote attackers to execute
  arbitrary Java code.");

  script_tag(name:"vuldetect", value:"Check installed version or check the found apps.");

  script_tag(name:"solution", value:"Upgrade Apache Struts to 2.3.16.2 or later.");

  script_tag(name:"insight", value:"The ParametersInterceptor allows remote attackers to manipulate
  the ClassLoader via the class parameter, which is passed to the getClass method.");

  script_tag(name:"affected", value:"Struts 2.0.0 - Struts 2.3.16.1.");

  script_tag(name:"impact", value:"A remote attacker can execute arbitrary Java code via crafted
  parameters.");

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

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

host = http_host_name(dont_add_port:TRUE);

# See if we have some apps deployed to check
if(!apps = http_get_kb_cgis(port:port, host:host))
  exit(0);

foreach app (apps) {
  if (".action" >< app) {
    end = strstr(app, " ");
    dir = app - end;
    url = dir + '?Class.classLoader.resources.dirContext.cacheObjectMaxSize=x';
    req = http_get(item:url, port:port);
    res = http_keepalive_send_recv(port:port, data:req, bodyonly:TRUE);

    if ("No result defined for action" >< res) {
      report = http_report_vuln_url(port:port, url:url);
      security_message(port:port, data:report);
      exit(0);
    }
  }
}

exit(99);