OpenNMS < 14.0.3 Multiple Vulnerabilities

# Copyright (C) 2015 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:opennms:opennms";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.806531");
  script_version("2022-08-03T10:11:15+0000");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2022-08-03 10:11:15 +0000 (Wed, 03 Aug 2022)");
  script_tag(name:"creation_date", value:"2015-11-04 13:01:47 +0530 (Wed, 04 Nov 2015)");

  script_cve_id("CVE-2015-7856", "CVE-2015-0975");

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

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

  script_name("OpenNMS < 14.0.3 Multiple Vulnerabilities");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2015 Greenbone Networks GmbH");
  script_family("Default Accounts");
  script_dependencies("gb_opennms_http_detect.nasl", "gb_default_credentials_options.nasl");
  script_mandatory_keys("opennms/http/detected");
  script_require_ports("Services/www", 8980);
  script_exclude_keys("default_credentials/disable_default_account_checks");

  script_tag(name:"summary", value:"OpenNMS is prone to multiple vulnerabilities.");

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

  script_tag(name:"insight", value:"The following flaws exist:

  - CVE-2015-7856: Usage of default credentials: rtc/rtc

  - CVE-2015-0975: XML External Entity (XXE) injection in the Real-Time Console interface");

  script_tag(name:"impact", value:"Successful exploitation will allow a remote attacker to obtain
  access by leveraging knowledge of the credentials and launch further attacks including XXE
  injection.");

  script_tag(name:"affected", value:"OpenNMS prior to version 14.0.3.");

  script_tag(name:"solution", value:"Update to version 14.0.3 or later.");

  script_xref(name:"URL", value:"https://sourceforge.net/p/opennms/mailman/opennms-discuss/thread/54B550CE.3080409%40opennms.com/");
  script_xref(name:"URL", value:"http://kvspmufc.appspot.com/www.scip.ch/?vuldb.78543");
  script_xref(name:"URL", value:"http://www.rapid7.com/db/modules/auxiliary/gather/opennms_xxe");
  script_xref(name:"URL", value:"http://www.opennms.org/wiki/CVE-2015-0975");

  exit(0);
}

if(get_kb_item("default_credentials/disable_default_account_checks"))
  exit(0);

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

host = http_host_name( port:port );

url = dir + "/login.jsp";

req = http_get( item:url, port:port );
buf = http_keepalive_send_recv( port:port, data:req );

if( "OpenNMS Group, Inc." >< buf ) {

  cookie = eregmatch( pattern:"JSESSIONID=([0-9a-zA-Z]+);", string:buf );
  if( ! cookie[1] )
    exit( 0 );

  post_data = "j_username=rtc&j_password=rtc&Login=&j_usergroups=";
  len = strlen( post_data );

  req = 'POST ' + dir + '/j_spring_security_check HTTP/1.1\r\n' +
        'Host: ' + host + '\r\n' +
        'Content-Type: application/x-www-form-urlencoded\r\n' +
        'Cookie: JSESSIONID=' + cookie[1] + '; ' + 'JSESSIONID=' + cookie[1] + '\r\n' +
        'Content-Length: ' + len + '\r\n' +
        '\r\n' +
        post_data;
  buf = http_keepalive_send_recv( port:port, data:req );

  if( buf =~ "^HTTP/1\.[01] 302" && "?login_error=1" >!< buf &&
      buf =~ "Location\s*:.*/index\.jsp" ) {

    req = 'GET ' + dir + '/frontPage.htm HTTP/1.1\r\n' +
          'Host: ' + host + '\r\n' +
          'Cookie: JSESSIONID=' + cookie[1] + '; ' + 'JSESSIONID=' + cookie[1] + '\r\n' + '\r\n';
    buf = http_keepalive_send_recv( port:port, data:req );

    if( ">Statistics<" >< buf && ">Dashboard<" >< buf &&
        ">Change Password<" >< buf && ">Log Out<" >< buf &&
        ">The OpenNMS Group, Inc." >< buf ) {
      report = 'It was possible to login with default credentials rtc/rtc at:\n' +
               http_report_vuln_url( port:port, url:url );
      security_message( port:port, data:report );
      exit( 0 );
    }
  }
}

exit( 99 );