Cisco RV110W, RV130W, and RV215W Routers HTTP Request Buffer Overflow Vulnerability

# Copyright (C) 2016 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_PREFIX = "cpe:/o:cisco:rv";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105770");
  script_version("2022-02-04T05:57:42+0000");
  script_tag(name:"last_modification", value:"2022-02-04 05:57:42 +0000 (Fri, 04 Feb 2022)");
  script_tag(name:"creation_date", value:"2016-06-17 13:57:06 +0200 (Fri, 17 Jun 2016)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-09-01 01:29:00 +0000 (Fri, 01 Sep 2017)");

  script_cve_id("CVE-2016-1397");

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

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

  script_name("Cisco RV110W, RV130W, and RV215W Routers HTTP Request Buffer Overflow Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
  script_family("CISCO");
  script_dependencies("gb_cisco_small_business_devices_consolidation.nasl");
  script_mandatory_keys("cisco/small_business/detected");

  script_tag(name:"summary", value:"A vulnerability in the web-based management interface of Cisco
  RV110W Wireless-N VPN Firewalls, Cisco RV130W Wireless-N Multifunction VPN Routers, and Cisco
  RV215W Wireless-N VPN Routers could allow an authenticated, remote attacker to cause a buffer
  overflow on a targeted system, resulting in a denial of service (DoS) condition.");

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

  script_tag(name:"insight", value:"The vulnerability is due to improper sanitization of
  user-supplied input for fields in HTTP requests that are sent when a user configures an affected
  device by using the web-based management interface for the device. An attacker could exploit this
  vulnerability by sending an HTTP request that contains configuration commands with a crafted
  payload.");

  script_tag(name:"impact", value:"A successful exploit could allow the attacker to cause a buffer
  overflow on the targeted system, which could cause the device to reload unexpectedly and result
  in a DoS condition.");

  script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");

  script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160615-rv2");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!infos = get_app_port_from_cpe_prefix(cpe: CPE_PREFIX, first_cpe_only: TRUE))
  exit(0);

cpe = infos["cpe"];

if (cpe !~ "^cpe:/o:cisco:rv(1[13]0|215)w")
  exit(0);

if (!version = get_app_version(cpe: cpe, nofork: TRUE))
  exit(0);

if (cpe == "cpe:/o:cisco:rv110w_firmware") {
  affected = make_list(
    "1.1.0.9",
    "1.2.0.10",
    "1.2.0.9",
    "1.2.1.4"
  );
}

if (cpe == "cpe:/o:cisco:rv130w_firmware") {
  affected = make_list(
    "1.0.0.21",
    "1.0.1.3",
    "1.0.2.7"
  );
}

if (cpe == "cpe:/o:cisco:rv215w_firmware") {
  affected = make_list(
    "1.1.0.5",
    "1.1.0.6",
    "1.2.0.14",
    "1.2.0.15",
    "1.3.0.7"
  );
}

foreach af (affected) {
  if (version == af) {
    report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(99);