LightNEasy < 2.2.1 / 2.2.2 XSS Vulnerability

# 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900372");
  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:"2009-06-19 09:45:44 +0200 (Fri, 19 Jun 2009)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_cve_id("CVE-2009-1937");
  script_name("LightNEasy < 2.2.1 / 2.2.2 XSS Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("secpod_lightneasy_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("lightneasy/detected");

  script_xref(name:"URL", value:"http://secunia.com/advisories/35354");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/35229");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/archive/1/504092/100/0/threaded");

  script_tag(name:"summary", value:"LightNEasy is prone to a cross-site scripting (XSS)
  vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

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

  - Input passed to the 'commentname', 'commentemail' and 'commentmessage' parameters when posting a
  comment is not properly sanitised before being used.

  - Input passed via the 'page' parameter to LightNEasy.php is not properly sanitised before being
  used to read files and can be exploited by directory traversal attacks.");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to inject arbitrary
  HTML and script code, which will be executed when the malicious comment is viewed and disclose the
  content of arbitrary files on an affected system.");

  script_tag(name:"affected", value:"LightNEasy version 2.2.1 and prior (no database) and LightNEasy
  version 2.2.2 and prior (SQLite).");

  script_tag(name:"solution", value:"Update to version 3.1 or later.");

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

  exit(0);
}

include("http_func.inc");
include("port_service_func.inc");
include("version_func.inc");

port = http_get_port(default:80);

sqliteVer = get_kb_item("www/" + port + "/LightNEasy/Sqlite");
if(sqliteVer) {
  sqliteVer = eregmatch(pattern:"^(.+) under (/.*)$", string:sqliteVer);
  if(sqliteVer[1]) {
    if(version_is_less_equal(version:sqliteVer[1], test_version:"2.2.2")) {
      report = report_fixed_ver(installed_version:sqliteVer[1], vulnerable_range:"Less than or equal to 2.2.2");
      security_message(port:port, data:report);
      exit(0);
    }
  }
}

nodbVer = get_kb_item("www/" + port + "/LightNEasy/NoDB");
if(nodbVer) {
  nodbVer = eregmatch(pattern:"^(.+) under (/.*)$", string:nodbVer);
  if(nodbVer[1]) {
    if(version_is_less_equal(version:nodbVer[1], test_version:"2.2.1")) {
      report = report_fixed_ver(installed_version:nodbVer[1], vulnerable_range:"Less than or equal to 2.2.1");
      security_message(port:port, data:report);
      exit(0);
    }
  }
}

exit(0);